Objective Questions
All objective questions for PHY 102
Questions (1819)
| # | Question | Topic | Actions |
|---|---|---|---|
| 1201 |
An electrostatic paint has a 200mm diameter metal sphere at a potential of 25KV…
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Last Minute Prep | View |
| 1202 |
In a parallel-plate capacitor, the distance d between the plates is 3cm, the ar…
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Last Minute Prep | View |
| 1203 |
A given RLC circuit has R = 100Ω, L = 1H and C = 10μF all connected in series w…
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Last Minute Prep | View |
| 1204 |
A magnetic induction of 20μT is applied to a long straight current carrying wir…
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Last Minute Prep | View |
| 1205 |
In the crystal silicon is doped with phosphorus, the valence band of phosphorus…
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Last Minute Prep | View |
| 1206 |
A copper coil has a resistance of 200 ohms when its mean temperature is 0°C. Ca…
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Last Minute Prep | View |
| 1207 |
An equipotential surface is adjacent points with:
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Last Minute Prep | View |
| 1208 |
A uniform electric field of 4.50kN/C passes through a rectangular surface of ar…
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Last Minute Prep | View |
| 1209 |
Three point charges lie along the x-axis. q₁ = 15.0μC is at d = 2.00m from the …
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Last Minute Prep | View |
| 1210 |
Two charges q₁ = 15μC and q₂ = -17μC are within a rectangular surface of dimens…
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Last Minute Prep | View |
| 1211 |
When cells are connected in parallel,
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Last Minute Prep | View |
| 1212 |
The strength of a semiconductor crystal comes from
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Last Minute Prep | View |
| 1213 |
F = BIL can only be used if magnetic field and electric current are
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Last Minute Prep | View |
| 1214 |
When a diode is forward biased, the depletion region...
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Last Minute Prep | View |
| 1215 |
In intrinsic semiconductors at room temperature, the number of electrons and ho…
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Last Minute Prep | View |
| 1216 |
In order to increase range of ammeter, value of shunt resistance R_s is
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Last Minute Prep | View |
| 1217 |
The SI units of electric charge is?
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Last Minute Prep | View |
| 1218 |
A current of 0.3 A is passed through a lamp for 2 minutes using a 6-V power sup…
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Last Minute Prep | View |
| 1219 |
Two charges with equal magnitude exert an attractive force of 4.0×10^-4 N on ea…
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Last Minute Prep | View |
| 1220 |
What is the resonant frequency of a circuit of negligible resistance, inductanc…
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Last Minute Prep | View |
| 1221 |
Derived unit Tesla is related to
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Last Minute Prep | View |
| 1222 |
Suppose we have a wire with cross-sectional area A, length L, and a charge Q fl…
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Test Compilation PHY 102 18 | View |
| 1223 |
Calculate the current in a capacitor having a 2V supply voltage and 3F capacita…
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Test Compilation PHY 102 18 | View |
| 1224 |
In a transformer, the core is made of soft iron in order to pass the maximum
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Test Compilation PHY 102 19 | View |
| 1225 |
The surface charge density on a sphere with radius R=1 cm is 796 uC/m2. Determi…
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Test Compilation PHY 102 21 | View |
| 1226 |
An inductor, L = 0.5H, in series with a resistor, R = 250Ω, are connec… |
Test Compilation PHY 102 10 | View |
| 1227 |
An inductor, L = 0.5H, in series with a resistor, R = 250Ω, are connec… |
Test Compilation PHY 102 10 | View |
| 1228 |
Voltage 1 kV, charge 500 nC. Capacitance?
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Test Compilation PHY 102 6 | View |
| 1229 |
In moving coil galvanometer, pole faces of U-shaped magnet are made concave
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Test Compilation PHY 102 1 | View |
| 1230 |
Max E field in dry air = 3×10⁶ V/m (typical). Plates 3 cm apart. Max voltage?
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Test Compilation PHY 102 2 | View |
| 1231 |
dielectric slab is slowly inserted between the plates of a parallel plate capac…
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Test Compilation PHY 102 1 | View |
| 1232 |
Which, among the following quantities, is not affected by the magnetic field?
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Test Compilation PHY 102 1 | View |
| 1233 |
magnetic induction of 20 mT is applied to long straight current carrying wire o…
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Test Compilation PHY 102 1 | View |
| 1234 |
Equipotential surfaces associated with an electric dipole are:
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Test Compilation PHY 102 1 | View |
| 1235 |
The resonant frequency of a circuit is 1000KHz. If each of the capacitance and …
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Test Compilation PHY 102 1 | View |
| 1236 |
charged particle travelling in a uniform field could have a circular trajectory…
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Test Compilation PHY 102 1 | View |
| 1237 |
potential difference of 240v is applied across the heating coil of an electric …
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Test Compilation PHY 102 1 | View |
| 1238 |
galvanometer has spring constant ‘k’, a magnetic field ‘B’ and deflection angle…
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Test Compilation PHY 102 1 | View |
| 1239 |
Magnetism is similar to electricity, but different from gravity, because magnet…
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Test Compilation PHY 102 1 | View |
| 1240 |
The number of electric field lines passing through a unit cross sectional area …
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Test Compilation PHY 102 1 | View |
| 1241 |
Some of the characteristics of lines of force include: i. they do not intersect…
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Test Compilation PHY 102 1 | View |
| 1242 |
The electric flux is negative when the angle between E and A is?
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Test Compilation PHY 102 1 | View |
| 1243 |
When capacitors are connected in parallel, what happens to the effective plate …
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Test Compilation PHY 102 1 | View |
| 1244 |
which of the following electric quantities is vector in character?
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Test Compilation PHY 102 1 | View |
| 1245 |
An alternating voltage whose peak value is 80 volts is connected across a 60 oh…
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Test Compilation PHY 102 1 | View |
| 1246 |
The period of a given sinusoidal a.c. waveform is 0.005s, which of the followin…
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Test Compilation PHY 102 1 | View |
| 1247 |
The work done in moving a charge against the electric field is stored as?
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Test Compilation PHY 102 1 | View |
| 1248 |
Resistances of 2.0 Ω, 4.0 Ω, and 6.0 Ω and a 24-V emf device are all in paralle…
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Test Compilation PHY 102 1 | View |
| 1249 |
Which of the following is/are correct about static electricity? It is a branch …
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Test Compilation PHY 102 1 | View |
| 1250 |
Answer saved A series R-L-C circuit has R=10 Ω, L=0.5H and C=10μF. Calculate th…
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Test Compilation PHY 102 1 | View |
| 1251 |
Answer saved For which of the following substances, is resistance decreases wit…
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Test Compilation PHY 102 1 | View |
| 1252 |
Answer saved There are 500 turns and 2000 turns in the primary and secondary co…
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Test Compilation PHY 102 1 | View |
| 1253 |
Moving a coil in and out of magnetic field induces
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Test Compilation PHY 102 1 | View |
| 1254 |
When a positive charge is moved in an electrostatic field from a point at high …
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Test Compilation PHY 102 1 | View |
| 1255 |
Which of the following is true for a.c. circuit?
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Test Compilation PHY 102 1 | View |
| 1256 |
The algebraic sum of voltages around any closed path in a network is equal to ……
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Test Compilation PHY 102 1 | View |
| 1257 |
Two charges of equal magnitude exert an attractive force of 6 x 10 N on each ot…
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Test Compilation PHY 102 1 | View |
| 1258 |
On an equipotential surface
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Test Compilation PHY 102 1 | View |
| 1259 |
When capacitors are connected in series ……..remains the same.
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Test Compilation PHY 102 1 | View |
| 1260 |
dielectric K = 2 is inserted between the plates of a 20µF capacitor. It capacit…
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Test Compilation PHY 102 1 | View |
| 1261 |
The dimensions of plates of a parallel plate capacitor are 8 cm by 8 cm, and a …
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Test Compilation PHY 102 1 | View |
| 1262 |
In Fleming's left hand rule, thumb shows direction of
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Test Compilation PHY 102 1 | View |
| 1263 |
Two charges q1 = 15µC and q2 = 17 µC are within a spherical surface of radius 2…
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Test Compilation PHY 102 1 | View |
| 1264 |
small object carrying a charge of 5×10⁻⁹ C experiences a downward force of 20×1…
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Test Compilation PHY 102 1 | View |
| 1265 |
Equipotential surfaces cannot
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Test Compilation PHY 102 1 | View |
| 1266 |
Resistivity of a wire depends on
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Test Compilation PHY 102 1 | View |
| 1267 |
Derived unit Tesla is related to
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Test Compilation PHY 102 1 | View |
| 1268 |
The direction of field at any point can be determined by drawing a?
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Test Compilation PHY 102 1 | View |
| 1269 |
answ Which of the following statements is TRUE?
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Test Compilation PHY 102 1 | View |
| 1270 |
Which of the following is correct about the acceleration of a positively charge…
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Test Compilation PHY 102 1 | View |
| 1271 |
When an alternating signal flows through an inductor,
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Test Compilation PHY 102 1 | View |
| 1272 |
galvanometer of 50 Ω gives full scale deflection with 2 mA current. To convert …
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Test Compilation PHY 102 1 | View |
| 1273 |
Direction of conventional current is
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Test Compilation PHY 102 1 | View |
| 1274 |
Energy stored in a capacitor can be expressed as:
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Test Compilation PHY 102 1 | View |
| 1275 |
Materials having non-linear voltage current relationship are
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Test Compilation PHY 102 1 | View |
| 1276 |
An inductor of 2.5H is connected across a 120V, 60Hz supply. Calculate the curr…
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Test Compilation PHY 102 1 | View |
| 1277 |
When the speed at which a conductor is moved through a magnetic field is increa…
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Test Compilation PHY 102 1 | View |
| 1278 |
What unit is used for inductance?
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Test Compilation PHY 102 1 | View |
| 1279 |
uniform electric field of 4.50 kN/C passes through a rectangular surface of are…
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Test Compilation PHY 102 1 | View |
| 1280 |
Answer saved Which of the following statements is TRUE?
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Test Compilation PHY 102 1 | View |
| 1281 |
Answer saved Which, among the following quantities, is not affected by the magn…
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Test Compilation PHY 102 1 | View |
| 1282 |
Answer saved Four wires meet at a junction. The first carries 4 A into the junc…
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Test Compilation PHY 102 1 | View |
| 1283 |
Answer saved A capacitor C 'has a charge Q'. The actual charges on its plates a…
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Test Compilation PHY 102 1 | View |
| 1284 |
Answer saved E.M.F for a coil depends upon
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Test Compilation PHY 102 1 | View |
| 1285 |
Tesla is equal to
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Test Compilation PHY 102 4 | View |
| 1286 |
transformer which is 80% efficient gives an output of 12V and 4A. What is the i…
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Test Compilation PHY 102 1 | View |
| 1287 |
external resistance R is connected to a cell of internal resistance r, then the…
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Test Compilation PHY 102 2 | View |
| 1288 |
Answer saved In an RLC series phasor, we start drawing the phasor from which qu…
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Test Compilation PHY 102 2 | View |
| 1289 |
F = BIL can only be used if magnetic field and electric current are
|
Test Compilation PHY 102 2 | View |
| 1290 |
An a.c circuit has a peak voltage of 100V across a 50Ω resistor. What are the r…
|
Test Compilation PHY 102 2 | View |
| 1291 |
small object carrying a charge of 5×10⁻⁹ C experiences a downward force of 20×1…
|
Test Compilation PHY 102 2 | View |
| 1292 |
uniform magnetic field will cause a charge to move in a circle if the charge is…
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Test Compilation PHY 102 2 | View |
| 1293 |
When DC voltage is applied to a capacitor, it
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Test Compilation PHY 102 2 | View |
| 1294 |
If the distance between two closely spaced parallel plates is halved, the elect…
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Test Compilation PHY 102 2 | View |
| 1295 |
240V a.c source across pure 1.0H inductor, frequency 60 Hz. Current?
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Test Compilation PHY 102 2 | View |
| 1296 |
Which of the following has the least number of valence electrons?
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Test Compilation PHY 102 2 | View |
| 1297 |
transformer: primary 200 turns, secondary 600 turns, primary current 12 A. Seco…
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Test Compilation PHY 102 2 | View |
| 1298 |
The quantity (1/2)ε₀E² has the significance of:
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Test Compilation PHY 102 2 | View |
| 1299 |
Parallel plate capacitor: area 2 m², separation 1 m, charge 1.77×10⁻¹¹ C. Volta…
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Test Compilation PHY 102 2 | View |
| 1300 |
When capacitors are connected in series, equivalent capacitance is … each indiv…
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Test Compilation PHY 102 2 | View |