Objective Questions

Questions (1820)

#	Question	Topic	Actions
1	According to the text, the Potential Difference between two points A and B is d…	Coulomb's law and Electric Fields	View
2	If a charge q is transported from point A to point B through a potential…	Coulomb's law and Electric Fields	View
3	According to Coulomb's Law, what happens when two point charges with the sam…	Coulomb's law and Electric Fields	View
4	Which of the following expressions correctly represents Coulomb's Law for the m…	Coulomb's law and Electric Fields	View
5	What is the approximate value of the Coulomb constant (k₀) in vacuum, as given …	Coulomb's law and Electric Fields	View
6	In the International System of Units (SI), what is the unit for electric charge?	Coulomb's law and Electric Fields	View
7	The permittivity of free space, ε₀, is related to the Coulomb constant k₀ by th…	Coulomb's law and Electric Fields	View
8	When the surrounding medium for two point charges is not a vacuum, the force be…	Coulomb's law and Electric Fields	View
9	According to the 'Charge Is Quantized' principle, what is true about all free c…	Coulomb's law and Electric Fields	View
10	What does the principle of 'Conservation of Charge' state regarding the algebra…	Coulomb's law and Electric Fields	View
11	Which of the following best describes an ideal 'Test-Charge' in an electric sys…	Coulomb's law and Electric Fields	View
12	How is the direction of the electric field at a point defined?	Coulomb's law and Electric Fields	View
13	When sketching electric fields using field lines, what is the convention for ho…	Coulomb's law and Electric Fields	View
14	According to the Superposition Principle, how is the total electric force exper…	Coulomb's law and Electric Fields	View
15	What are the SI units for electric field strength (E)?	Coulomb's law and Electric Fields	View
16	If the electrostatic force between two point charges in vacuum is F, and…	Coulomb's law and Electric Fields	View
17	For a point charge q that is negative, in what direction is the electric…	Coulomb's law and Electric Fields	View
18	The potential difference between two points, A and B, is defined as the …	Coulomb's law and Electric Fields	View
19	What are the SI units for potential difference?	Coulomb's law and Electric Fields	View
20	How is the absolute potential at a point P due to a point charge q₀, at …	Coulomb's law and Electric Fields	View
21	Which of the following is true regarding the superposition principle for…	Coulomb's law and Electric Fields	View
22	What is the definition of Electrical Potential Energy (PEE)?	Coulomb's law and Electric Fields	View
23	If the electric field between two parallel plates is uniform with magnitude Eₓ …	Coulomb's law and Electric Fields	View
24	The electron volt (eV) is defined as the work done in carrying a charge …	Coulomb's law and Electric Fields	View
25	What is the defining equation for capacitance (C) of any capacitor?	Coulomb's law and Electric Fields	View
26	For a parallel-plate capacitor with plate area A, separation d, and a di…	Coulomb's law and Electric Fields	View
27	If a capacitor is filled with a dielectric material of constant K, how does its…	Coulomb's law and Electric Fields	View
28	When capacitors are connected in parallel, how is their equivalent capac…	Coulomb's law and Electric Fields	View
29	What is the equivalent capacitance (C_eq) for two capacitors, C₁ and …	Coulomb's law and Electric Fields	View
30	Which of the following expressions correctly represents the energy (PEE) sto…	Coulomb's law and Electric Fields	View
31	In the context of two parallel plates with an electric field between them, if a…	Coulomb's law and Electric Fields	View
32	To avoid sign confusion when calculating the magnitude of the electric force…	Coulomb's law and Electric Fields	View
33	According to the document, what is the definition of the Potential Difference b…	Coulomb's law and Electric Fields	View
34	What are the SI units for potential difference, as stated in the document?	Coulomb's law and Electric Fields	View
35	For a point charge q in vacuum, what is the formula for the absolute pot…	Coulomb's law and Electric Fields	View
36	How is the absolute potential at a point due to a number of point charges deter…	Coulomb's law and Electric Fields	View
37	For closely spaced parallel plates with potential difference V and plate…	Coulomb's law and Electric Fields	View
38	What is the definition of 1 electron volt (eV)?	Coulomb's law and Electric Fields	View
39	A capacitor is a device that stores charge. How is its capacitance (C) d…	Coulomb's law and Electric Fields	View
40	For a parallel-plate capacitor with plate area A, separation d, a…	Coulomb's law and Electric Fields	View
41	According to the document, how do capacitances add for capacitors connected in …	Coulomb's law and Electric Fields	View
42	What is the formula for the energy (PE_E) stored in a capacitor with …	Coulomb's law and Electric Fields	View
43	Two small spheres, each with an identical charge, are separated by 1.5 m in a l…	Coulomb's law and Electric Fields	View
44	A helium nucleus (charge +2e) and a neon nucleus (charge +10e) ar…	Coulomb's law and Electric Fields	View
45	Compute the magnitude of the electric field E in air at a distance of 30…	Coulomb's law and Electric Fields	View
46	How much work is required to carry an electron from the positive terminal of a …	Coulomb's law and Electric Fields	View
47	Three point charges are placed on the x-axis in air: +2.0 µC at x = 20 c…	Coulomb's law and Electric Fields	View
48	The absolute potential at a point P due to a point charge q₀ in vacuum, …	Coulomb's law and Electric Fields	View
49	How does the superposition principle apply to the absolute potential at a point…	Coulomb's law and Electric Fields	View
50	The capacitance (C) of any capacitor is defined as the ratio of which two quant…	Coulomb's law and Electric Fields	View
51	Which of the following are common SI units used for capacitance, as mentioned i…	Coulomb's law and Electric Fields	View
52	For a parallel-plate capacitor with plate area A, separation d, a…	Coulomb's law and Electric Fields	View
53	When capacitors are connected in parallel, how is their equivalent capacitance …	Coulomb's law and Electric Fields	View
54	For two capacitors, C₁ and C₂, connected in series, what is the formula for the…	Coulomb's law and Electric Fields	View
55	Which of the following expressions correctly represents the energy (PE_E	Coulomb's law and Electric Fields	View
56	In Solved Problem 25.1, the potential difference between two metal plates in ai…	Coulomb's law and Electric Fields	View
57	According to Solved Problem 25.2, how much work is required to carry an electro…	Coulomb's law and Electric Fields	View
58	An electron starts from rest and falls through a potential rise of 80 V. As cal…	Coulomb's law and Electric Fields	View
59	dielectric slab is slowly inserted between the plates of a parallel plate capac…	PHY 102 Past Questions	View
60	Which, among the following quantities, is not affected by the magnetic field?	PHY 102 Past Questions	View
61	magnetic induction of 20 mT is applied to long straight current carrying wire o…	PHY 102 Past Questions	View
62	Equipotential surfaces associated with an electric dipole are:	PHY 102 Past Questions	View
63	The resonant frequency of a circuit is 1000KHz. If each of the capacitance and …	PHY 102 Past Questions	View
64	charged particle travelling in a uniform field could have a circular trajectory…	PHY 102 Past Questions	View
65	potential difference of 240v is applied across the heating coil of an electric …	PHY 102 Past Questions	View
66	galvanometer has spring constant ‘k’, a magnetic field ‘B’ and deflection angle…	PHY 102 Past Questions	View
67	Magnetism is similar to electricity, but different from gravity, because magnet…	PHY 102 Past Questions	View
68	The number of electric field lines passing through a unit cross sectional area …	PHY 102 Past Questions	View
69	Some of the characteristics of lines of force include: i. they do not intersect…	PHY 102 Past Questions	View
70	The electric flux is negative when the angle between E and A is?	PHY 102 Past Questions	View
71	When capacitors are connected in parallel, what happens to the effective plate …	PHY 102 Past Questions	View
72	which of the following electric quantities is vector in character?	PHY 102 Past Questions	View
73	An alternating voltage whose peak value is 80 volts is connected across a 60 oh…	PHY 102 Past Questions	View
74	The period of a given sinusoidal a.c. waveform is 0.005s, which of the followin…	PHY 102 Past Questions	View
75	The work done in moving a charge against the electric field is stored as?	PHY 102 Past Questions	View
76	Resistances of 2.0 Ω, 4.0 Ω, and 6.0 Ω and a 24-V emf device are all in paralle…	PHY 102 Past Questions	View
77	Which of the following is/are correct about static electricity? It is a branch …	PHY 102 Past Questions	View
78	Answer saved A series R-L-C circuit has R=10 Ω, L=0.5H and C=10μF. Calculate th…	PHY 102 Past Questions	View
79	Answer saved For which of the following substances, is resistance decreases wit…	PHY 102 Past Questions	View
80	Answer saved There are 500 turns and 2000 turns in the primary and secondary co…	PHY 102 Past Questions	View
81	Moving a coil in and out of magnetic field induces	PHY 102 Past Questions	View
82	When a positive charge is moved in an electrostatic field from a point at high …	PHY 102 Past Questions	View
83	Which of the following is true for a.c. circuit?	PHY 102 Past Questions	View
84	The algebraic sum of voltages around any closed path in a network is equal to ……	PHY 102 Past Questions	View
85	Two charges of equal magnitude exert an attractive force of 6 x 10 N on each ot…	PHY 102 Past Questions	View
86	On an equipotential surface	PHY 102 Past Questions	View
87	When capacitors are connected in series ……..remains the same.	PHY 102 Past Questions	View
88	dielectric K = 2 is inserted between the plates of a 20µF capacitor. It capacit…	PHY 102 Past Questions	View
89	The dimensions of plates of a parallel plate capacitor are 8 cm by 8 cm, and a …	PHY 102 Past Questions	View
90	In Fleming's left hand rule, thumb shows direction of	PHY 102 Past Questions	View
91	Two charges q1 = 15µC and q2 = 17 µC are within a spherical surface of radius 2…	PHY 102 Past Questions	View
92	small object carrying a charge of 5×10⁻⁹ C experiences a downward force of 20×1…	PHY 102 Past Questions	View
93	Equipotential surfaces cannot	PHY 102 Past Questions	View
94	Resistivity of a wire depends on	PHY 102 Past Questions	View
95	When an alternating signal flows through an inductor,	PHY 102 Past Questions	View
96	galvanometer of 50 Ω gives full scale deflection with 2 mA current. To convert …	PHY 102 Past Questions	View
97	Direction of conventional current is	PHY 102 Past Questions	View
98	Energy stored in a capacitor can be expressed as:	PHY 102 Past Questions	View
99	Materials having non-linear voltage current relationship are	PHY 102 Past Questions	View
100	An inductor of 2.5H is connected across a 120V, 60Hz supply. Calculate the curr…	PHY 102 Past Questions	View

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Questions (1820)