Objective Questions

Questions (1820)

#	Question	Topic	Actions
1101	Electric field strength related to Hall voltage is given by:	PHY 102 Past Questions	View
1102	The plane of a conducting wire loop is oriented parallel to the x-y plane. A ma…	PHY 102 Past Questions	View
1103	The electric field due to a positive charge is directed	PHY 102 Past Questions	View
1104	Which of the following is NOT correct about Gauss's law? I. The net charge q_en…	PHY 102 Past Questions	View
1105	Whenever there is force on a magnetic pole, there exists:	PHY 102 Past Questions	View
1106	The electric field strength inside (enclosed by) a Gaussian surface containing …	PHY 102 Past Questions	View
1107	The value of the electric field vector ALONG the surface of constant potential …	PHY 102 Past Questions	View
1108	Determine the force on an electron (charge 1.6×10^-19 C) in a uniform electric …	Last Minute Prep	View
1109	The equation of a sinusoidal waveform is I = 15 sin(ωt). Calculate the r.m.s va…	Last Minute Prep	View
1110	The number of electrons in the valence shell of a semiconductor is	Last Minute Prep	View
1111	An electron is situated in a uniform electric field of intensity 1.2x105 N/C. C…	PHY 102 Past Questions	View
1112	Which of the following is correct about Gauss' law? If the enclosed charge is	PHY 102 Past Questions	View
1113	Resistances of 2Ω, 4Ω, 6Ω and a 24V source are all in parallel. Current in the …	Last Minute Prep	View
1114	In an RLC series phasor, we start drawing the phasor from which quantity?	Last Minute Prep	View
1115	Which of the following is true about an electric dipole?	PHY 102 Past Questions	View
1116	Which of the following is the unit for electric field strength?	PHY 102 Past Questions	View
1117	A region around a charged body in which another charge experiences an electric …	PHY 102 Past Questions	View
1118	The capacitance of a capacitor is the ratio of	Last Minute Prep	View
1119	A parallel plate air capacitor is made of 0.2m square plates, 1cm apart, connec…	Last Minute Prep	View
1120	When capacitors are connected in series, the equivalent capacitance is ... each…	Last Minute Prep	View
1121	The dot (scalar) product of electric intensity E and vector area A of a surface…	PHY 102 Past Questions	View
1122	Electric flux through a surface is maximum when the angle between E and A is:	PHY 102 Past Questions	View
1123	From Gauss's law, the total electric flux through a closed surface is:	PHY 102 Past Questions	View
1124	Which law relates the electric flux through a surface to the net enclosed charg…	PHY 102 Past Questions	View
1125	One of the following statements about electrical potential energy is incorrect:	PHY 102 Past Questions	View
1126	Which one of the following represents correct units for electric field strength?	PHY 102 Past Questions	View
1127	Magnetic flux through a loop increases as Φ_B = 6.0t² + 7.0t (mWb). Magnitude o…	Last Minute Prep	View
1128	Three resistors (2Ω, 4Ω, 5Ω) in parallel across 20V. Find total current.	Last Minute Prep	View
1129	In a circuit containing an emf, a resistor, and an inductor, where is the magne…	Last Minute Prep	View
1130	An electrostatic paint has a 200mm diameter metal sphere at a potential of 25KV…	Last Minute Prep	View
1131	In a parallel-plate capacitor, the distance d between the plates is 3cm, the ar…	Last Minute Prep	View
1132	Which of the following electric quantities is vector in character?	PHY 102 Past Questions	View
1133	The SI unit of potential difference is:	PHY 102 Past Questions	View
1134	On an equipotential surface:	PHY 102 Past Questions	View
1135	Equipotential surfaces cannot:	PHY 102 Past Questions	View
1136	An equipotential surface is a surface whose adjacent points have:	PHY 102 Past Questions	View
1137	A given RLC circuit has R = 100Ω, L = 1H and C = 10μF all connected in series w…	Last Minute Prep	View
1138	One electronvolt is	PHY 102 Past Questions	View
1139	A 6.0x10-6 C charge is 4.0 m from a -3.0x10-6 C charge. What is the electric po…	PHY 102 Past Questions	View
1140	Find the work done (in eV) by an agent in taking a charge of 10 uC from point X…	PHY 102 Past Questions	View
1141	A magnetic induction of 20μT is applied to a long straight current carrying wir…	Last Minute Prep	View
1142	In the crystal silicon is doped with phosphorus, the valence band of phosphorus…	Last Minute Prep	View
1143	What change in potential energy does a 4 uC charge experience when it moves bet…	PHY 102 Past Questions	View
1144	The work done in moving a charge against an electric field is stored as:	PHY 102 Past Questions	View
1145	A parallel plate capacitor of plate area 2 m2 and plate separation 1 m stores a…	PHY 102 Past Questions	View
1146	When DC voltage is applied to a capacitor, it:	PHY 102 Past Questions	View
1147	A copper coil has a resistance of 200 ohms when its mean temperature is 0°C. Ca…	Last Minute Prep	View
1148	An equipotential surface is adjacent points with:	Last Minute Prep	View
1149	A capacitor is a device used to:	PHY 102 Past Questions	View
1150	Two capacitors of 6 F and 3 F are connected in series with a potential differen…	PHY 102 Past Questions	View
1151	Total potential difference across the combination of three cells becomes maximu…	PHY 102 Past Questions	View
1152	The potential difference across a 4 ohm resistor is 20 V. Assuming all the ener…	PHY 102 Past Questions	View
1153	__________ is used for measuring potential difference.	PHY 102 Past Questions	View
1154	A uniform electric field of 4.50kN/C passes through a rectangular surface of ar…	Last Minute Prep	View
1155	Three point charges lie along the x-axis. q₁ = 15.0μC is at d = 2.00m from the …	Last Minute Prep	View
1156	Two charges q₁ = 15μC and q₂ = -17μC are within a rectangular surface of dimens…	Last Minute Prep	View
1157	Wheatstone bridge is a:	PHY 102 Past Questions	View
1158	Consequence of motor effect is	PHY 102 Past Questions	View
1159	There are 500 turns and 2000 turns in the primary and secondary coils of a tran…	PHY 102 Past Questions	View
1160	An ideal transformer has 550 turns on the primary and 30 on the secondary. What…	PHY 102 Past Questions	View
1161	Two charges with equal magnitude exert an attractive force of 4.0×10^-4 N on ea…	Last Minute Prep	View
1162	In a transformer, the core is made up of soft iron in order to pass maximum	PHY 102 Past Questions	View
1163	A 240 V a.c. source is connected across a pure 1.0 H inductor. Find the current…	PHY 102 Past Questions	View
1164	Which of the following is not the same as watt?	PHY 102 Past Questions	View
1165	A potential difference of 240 V is applied across a coil carrying 8 A. Calculat…	PHY 102 Past Questions	View
1166	The potential difference required for 0.2 A in a conductor of resistance 20 ohm…	PHY 102 Past Questions	View
1167	The current is zero in a conductor when no potential difference is applied beca…	PHY 102 Past Questions	View
1168	When the speed at which a conductor is moved through a magnetic field is increa…	PHY 102 Past Questions	View
1169	What is the resonant frequency of a circuit of negligible resistance, inductanc…	Last Minute Prep	View
1170	Derived unit Tesla is related to	Last Minute Prep	View
1171	KCL deals with the conservation of:	PHY 102 Past Questions	View
1172	Moving a coil in and out of a magnetic field induces	PHY 102 Past Questions	View
1173	A 2 uF capacitor is charged to 50 V and then discharged through a 1 M-ohm resis…	PHY 102 Past Questions	View
1174	The change in potential energy of a unit charge between two points in an electr…	PHY 102 Past Questions	View
1175	The rate of change of potential with respect to distance is called?	PHY 102 Past Questions	View
1176	A 1 uF and a 2 uF capacitor are connected in series across a 1000 V supply. Fin…	PHY 102 Past Questions	View
1177	An electron, initially at rest, is accelerated through a potential difference o…	PHY 102 Past Questions	View
1178	The area under a current-time graph is equivalent to	PHY 102 Past Questions	View
1179	A certain resistor dissipates 0.5 W when connected to a 3 V potential differenc…	PHY 102 Past Questions	View
1180	A potentiometer is a device used to	PHY 102 Past Questions	View
1181	Two capacitors each of 3 uF are joined in parallel across a battery of 15 V. Th…	PHY 102 Past Questions	View
1182	Which of the following statements about a capacitor is incorrect?	PHY 102 Past Questions	View
1183	If the charge stored in a capacitor is 4 C and the capacitance is 2 F, calculat…	PHY 102 Past Questions	View
1184	Calculate the current in a capacitor having 2 V supply voltage and 3 F capacita…	PHY 102 Past Questions	View
1185	When capacitors are connected in series, ______ remains the same.	PHY 102 Past Questions	View
1186	A dielectric of K = 2 is inserted between the plates of a 20 uF capacitor. Its …	PHY 102 Past Questions	View
1187	The plates of a parallel plate capacitor are 8 cm by 8 cm, with 2 mm separation…	PHY 102 Past Questions	View
1188	When do we get maximum energy from a set of capacitors?	PHY 102 Past Questions	View
1189	A capacitor C has a charge Q. The actual charges on its plates are:	PHY 102 Past Questions	View
1190	A 2 uF and a 1 uF capacitor are connected in series and charged from a battery,…	PHY 102 Past Questions	View
1191	A two farad and a four farad capacitor are connected in series. What single cap…	PHY 102 Past Questions	View
1192	Two capacitors of 2 uF each are connected in parallel. If the p.d. is 120 V, ca…	PHY 102 Past Questions	View
1193	A capacitor of 3.0 uF with air is filled with a dielectric (k = 2.8). The new c…	PHY 102 Past Questions	View
1194	A parallel plate capacitor has capacitance C. If the area is doubled and the di…	PHY 102 Past Questions	View
1195	Three capacitors each of 3 F are connected in series. What is the equivalent ca…	PHY 102 Past Questions	View
1196	Calculate the capacitance of two plates of area 4 cm2 separated by 1 mm.	PHY 102 Past Questions	View
1197	The capacitance of a capacitor is the ratio of:	PHY 102 Past Questions	View
1198	A parallel plate air capacitor is made using two plates of area 0.2 m2 separate…	PHY 102 Past Questions	View
1199	Four capacitors are connected as shown in the figure. C1 = 2 uF, C2 = 3 uF, C3 …	PHY 102 Past Questions	View
1200	What is the value of capacitance of a capacitor which has a voltage of 4 V and …	PHY 102 Past Questions	View

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