Objective Questions

Questions (1819)

#	Question	Topic	Actions
1001	A cylindrical surface of radius 5cm and height 2.5cm is placed in a uniform ele…	Test Compilation PHY 102 17	View
1002	In a parallel-plate capacitor, the distance d between the plates is 3cm, the ar…	Test Compilation PHY 102 17	View
1003	A coil has 45 turns and an area of 1.8 x 10⁻² m². If the torque on the coil is …	Test Compilation PHY 102 17	View
1004	Which of the following statement(s) is/are not correct about Gauss's law…	Test Compilation PHY 102 17	View
1005	A parallel plate capacitor has an area of 2000 cm², and the plates are 1 cm apa…	Test Compilation PHY 102 17	View
1006	A proton has magnetic field due to its spin on its axis. The field is similar t…	Test Compilation PHY 102 17	View
1007	A transformer which is 80% efficient gives an output of 12V and 4A. What is the…	Test Compilation PHY 102 17	View
1008	When a quadrivalent element is doped with a pentavalent element, it becomes	Test Compilation PHY 102 17	View
1009	The direction of induced emf can be found by	Last Minute Prep	View
1010	An a.c. waveform given as v = 290sin ωt. If ω = 1256 rad/s, find the r.m.s and …	Test Compilation PHY 102 17	View
1011	When capacitors are connected in series ....remains the same.	Last Minute Prep	View
1012	When reverse voltage increases from 2 V to about 5 V, the depletion region	Last Minute Prep	View
1013	Energy stored in 2000mF capacitor charged to a potential difference of 10V is?	Last Minute Prep	View
1014	An a.c circuit has a peak voltage of 100V, across a 50Ω resistor. What are the …	Last Minute Prep	View
1015	The direction of field strength at any point is	Last Minute Prep	View
1016	A car battery is rated at 80 A·h. An ampere-hour is a unit of:	Last Minute Prep	View
1017	The dimensions of plates of a parallel plate capacitor are 8cm by 8cm and they …	Last Minute Prep	View
1018	A 20-μF capacitor is charged to 200 V. Its stored energy is:	Last Minute Prep	View
1019	In a parallel-plate capacitor, the distance d between the plates is 3cm, the ar…	Test Compilation PHY 102 17	View
1020	A coil has 45 turns and an area of 1.8 x 10^-2 m². If the torque on t…	Test Compilation PHY 102 17	View
1021	Find the distance between point charges q₁ = 26.0 μC and q₂ = 47.0 μC, if a for…	Last Minute Prep	View
1022	Which of the following statement(s) is/are not correct about Gauss's law?	Test Compilation PHY 102 17	View
1023	When a dielectric is placed in an electric field, it becomes?	Last Minute Prep	View
1024	What part will surely tell that given motor is DC motor and not an AC type?	Last Minute Prep	View
1025	A combination of three equal resistances in series is equivalent to 90 W. What …	Last Minute Prep	View
1026	A length of wire has a resistance of 10 ohms. What is the resistance of a wire …	Last Minute Prep	View
1027	A parallel plate capacitor has a capacitance C. The area of the plate is double…	Last Minute Prep	View
1028	The distance between two positive charges 6 mC and 8 mC is 50 cm. Calculate the…	Last Minute Prep	View
1029	The energy required to charge a 10μF capacitor to 100V is	Last Minute Prep	View
1030	Four 20-Ω resistors are connected in parallel and the combination is conn…	Test Compilation PHY 102 17	View
1031	A -6μC charge exerts an attractive force of 65N on a second charge that is 5cm …	Last Minute Prep	View
1032	An a.c. waveform is given as v = 290sin ωt. If ω = 1256 rad/s, find t…	Test Compilation PHY 102 17	View
1033	Calculate the equivalent resistance between A and B in the circuit shown below,…	Test Compilation PHY 102 17	View
1034	Which of the following is correct about the acceleration of a positively charge…	Test Compilation PHY 102 17	View
1035	If two charges are similar, then Coulomb's law implies that the force F is:	Test Compilation PHY 102 17	View
1036	A cyclotron is used to:	Test Compilation PHY 102 17	View
1037	A cylindrical surface of radius 5 cm and height 2.5 cm is placed in a uniform e…	Test Compilation PHY 102 17	View
1038	In a parallel-plate capacitor, the distance d between the plates is 3 cm, the a…	Test Compilation PHY 102 17	View
1039	A given RLC circuit has R = 100Ω, L = 1H and C = 10µF, all connect…	Test Compilation PHY 102 17	View
1040	Which of the following is true about p-n junction diode? i. Forward bias curren…	Last Minute Prep	View
1041	Light bulb has input power consumption of 50 watts. The light bulb was activate…	Last Minute Prep	View
1042	In the depletion region of a pn junction, there is shortage of	Last Minute Prep	View
1043	A capacitor of 22μF and a resistor of 200Ω are connected in series across a 12V…	Last Minute Prep	View
1044	Which of the following statement(s) is/are NOT correct about Gauss's law? I.…	Test Compilation PHY 102 17	View
1045	Energy stored in a 2000mF capacitor charged to a potential difference of 10V is?	Test Compilation PHY 102 17	View
1046	Four 20-Ω resistors are connected in parallel and the combination is conn…	Test Compilation PHY 102 17	View
1047	Four 2μF capacitors are connected in series. The equivalent capacitance is:	Last Minute Prep	View
1048	If the two charges are similar, then Coulomb's law implies that the force F is:…	Test Compilation PHY 102 17	View
1049	Which is/are correct about the acceleration experienced by a charged particle i…	Last Minute Prep	View
1050	In Faraday's law of induction (ε = -N ΔΦ/Δt), the minus sign is an expression of	Last Minute Prep	View
1051	Two identical conducting plates of plate area A are separated by a distance d t…	Last Minute Prep	View
1052	Which one of the following is the advantage of connecting two dry cells in para…	Last Minute Prep	View
1053	Three capacitors each of 3F are connected in series. What is the equivalent cap…	Last Minute Prep	View
1054	Electric field is steepest in the direction in which the potential	Last Minute Prep	View
1055	A cylindrical surface of radius 5cm and height 2.5cm is placed in a uniform ele…	Test Compilation PHY 102 17	View
1056	In a parallel-plate capacitor, the distance d between the plates is 3cm, the ar…	Test Compilation PHY 102 17	View
1057	A given RLC circuit has R = 100 Ω, L = 1H and C = 10μF (assumed, inste…	Test Compilation PHY 102 17	View
1058	A coil has 45 turns and an area of 1.8 × 10^-2m². If…	Test Compilation PHY 102 17	View
1059	Calculate the force on a wire of length 5cm carrying a current of 30A if it is …	Last Minute Prep	View
1060	Which of the following materials behave like a dielectric?	Last Minute Prep	View
1061	In a p-type semiconductor, the current conduction is due to	Last Minute Prep	View
1062	Which of the following statement(s) is/are correct about Gauss's law? I. Th…	Test Compilation PHY 102 17	View
1063	A parallel plate capacitor has an area of 2000 cm², and the plates a…	Test Compilation PHY 102 17	View
1064	A proton has a magnetic field due to its spin on its axis. The field is similar…	Test Compilation PHY 102 17	View
1065	A series R-L-C circuit has R=100Ω, L=0.5H, C=10μF connected to a 50Hz source v=…	Last Minute Prep	View
1066	Calculate the equivalent resistance between A and B based on the following circ…	Test Compilation PHY 102 17	View
1067	The algebraic sum of voltages around any closed path in a network is equal to .…	Last Minute Prep	View
1068	Find the magnitude of a point charge whose electric field 50 cm away has magnit…	Last Minute Prep	View
1069	Find the force on two equal charges if they repel each other with a force of 0.…	Last Minute Prep	View
1070	The relation between current and voltage in a capacitor is:	Test Compilation PHY 102 17	View
1071	A resistor, 100Ω, is connected to an a.c. source v = 300 sin ωt. If ω=1256 rad/…	Last Minute Prep	View
1072	A PN junction acts as a	Last Minute Prep	View
1073	A circular ring 5cm in radius has a positive charge of 3×10⁻⁷ C. Compute the el…	Last Minute Prep	View
1074	The reciprocal of resistivity is	Last Minute Prep	View
1075	In a semiconductor, current conduction is due to	Last Minute Prep	View
1076	A potential difference of 240V is applied across a coil driven by 8A. Calculate…	Last Minute Prep	View
1077	Which copper conductor has the least resistance?	Last Minute Prep	View
1078	Unraveling an electromagnet gives	Last Minute Prep	View
1079	It takes 500W to operate a machine whose output is 480W. What is the efficiency?	Last Minute Prep	View
1080	Electric spark is observed between two plates 2.5cm apart in air at 60kV. Deter…	Last Minute Prep	View
1081	A 6 mF and a 3 mF capacitor are in series across 18V. Calculate charge on each.	Last Minute Prep	View
1082	Which is true about depletion layer in p-n junction?	Last Minute Prep	View
1083	Magnetic Field lines move from	Last Minute Prep	View
1084	Determine the force between two protons placed 1μm apart.	Last Minute Prep	View
1085	A long wire bent into a circle of one turn gives field B at centre. It is then …	Last Minute Prep	View
1086	Two charges q₁=15μC and q₂=17μC are within a spherical surface radius 20cm. Cal…	Last Minute Prep	View
1087	A Wheatstone bridge is balanced when current through galvanometer is....?	Last Minute Prep	View
1088	In a series circuit, which parameter remains constant across all elements?	Last Minute Prep	View
1089	Lenz' law states that direction of induced emf	Last Minute Prep	View
1090	The presence of a dielectric between capacitor plates results in?	Last Minute Prep	View
1091	KCL deals with the conservation of?	Last Minute Prep	View
1092	The electric field 2.0m from a point charge has a magnitude of 8.0×10^4 N/C. Wh…	Last Minute Prep	View
1093	When capacitors are connected in series, which quantity remains the same?	Last Minute Prep	View
1094	The resistance of pure metals	Last Minute Prep	View
1095	A car battery is rated at 80 A-h. An ampere-hour is a unit of:	Last Minute Prep	View
1096	Find the distance between point charges q1 = 26.0 μC and q2 = 47.0 μC, if a for…	Last Minute Prep	View
1097	The distance between two positive charges 6mC and 8mC is 50cm. Calculate the el…	Last Minute Prep	View
1098	Hall voltage is directly proportional to	Last Minute Prep	View
1099	For which of the following substances, is resistance decreases with temperature?	Last Minute Prep	View
1100	If Earth's magnetic field lines pass through Hall probe in opposite direction, …	Last Minute Prep	View

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