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CBSE
Class 12 Physics
Electrostatic Potential And Capacitance Chapter 2
Quiz 2
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The electrostatic potential energy of given system is
0%
Positive
0%
Negative
0%
Can't predict
0%
None of the above
If the battery voltage in the figure is 12 volts and the plate separation is 0.8 cm. If a charge of 3 micro C moves from the upper plate to the lower one, what is its change in electrical potential energy?
0%
36 micro J
0%
12 micro J
0%
24 micro J
0%
48 micro J
The potential energy of a system containing only one point charge is
0%
Zero
0%
Infinity
0%
Nonzero finite
0%
None of the above
A uniform electric field 100 V/ m is directed vertically downwards. Find the change in potential energy of an electron whose height decreases by 0.5 m.
0%
20 eV
0%
50 eV
0%
30 eV
0%
40 eV
Negative mutual potential energy corresponds to attraction between two charges
0%
False
0%
True
0%
Can’t predict
0%
None of the above
If a unit charge is taken from one part to another part over an equipotential surface, then what is the change in electrostatic potential energy of the charge?
0%
10 J
0%
100 J
0%
1 J
0%
0 J
The electrostatic potential energy of given system is
0%
Positive
0%
Negative
0%
Can’t predict
0%
None of the above
In bringing an electron towards another electron, the electrostatic potential energy of the system
0%
becomes zero
0%
decreases
0%
remains same
0%
increases
A charge q = 1.0 C moves distance of 1.5 m in the direction of a uniform electric field E of magnitude 2.0 N/C. Find its change in electrostatic potential energy.
0%
2 J
0%
3 J
0%
4 J
0%
1 J
A proton is accelerated from rest through a potential of 500 volts. Its final kinetic energy is
0%
1000 eV
0%
500 eV
0%
50 eV
0%
2000 eV
The electrostatic potential energy between two charges q1 and q2 separated by a distance by r is given by
0%
A
0%
B
0%
C
0%
D
What is the electrostatic potential energy of a system containing two charges 40 nC and 60 nC at a distance of 36 cm?
0%
100 micro J
0%
60 micro J
0%
120 micro J
0%
80 micro J
The electrostatic potential energy of given system is
0%
Positive
0%
Negative
0%
Can’t predict
0%
None of the above
How much work would be done by the electric field if Q = 20 C weremoved from A (8 V) to B (3.5 V)?
0%
– 70 J
0%
– 60 J
0%
– 80 J
0%
– 90 J
Positive mutual potential energy of a system containing two charges corresponds to
0%
Repulsion
0%
Attraction
0%
Can’t predict
0%
None of the above
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