MCQGeeks
0 : 0 : 1
CBSE
JEE
NTSE
NEET
English
UK Quiz
Quiz
Driving Test
Practice
Games
CBSE
Class 12 Physics
Electrostatic Potential And Capacitance Chapter 2
Quiz 1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
A hollow metal sphere of radius 20 cm is charged such that the potential on its surface is 120 Volt. The potential at the centre of the sphere is
0%
80 V
0%
6 V
0%
120 V
0%
Zero
The work done in moving a positive test charge qo from infinity to a point P at a distance r from the charge q is
0%
A
0%
B
0%
C
0%
D
Electric field intensity is equal to
0%
time rate of change of potential
0%
minimum rate of change of potential with distance
0%
maximum rate of change of potential with distance
0%
none of the above
Electric potential at a point located far away from the charge is taken to be
0%
Unity
0%
May be zero or infinite
0%
Zero
0%
Infinite
A charge of 6 mC is located at the origin. The work done in taking a small charge of -2 x 10-9 C from a point P (0, 3 cm, 0) to a Q (0,4 cm, 0) is
0%
0.5 J
0%
1.12 J
0%
1.2 J
0%
0.9 J
A hollow metal sphere of radius 5 cm is charged such that the potential on its surface is 10 V. The potential at the centre of the sphere is
0%
0 V
0%
10 V
0%
same as at point 25 cm away from the surface
0%
same as at point 5 cm away from the surface
It requires 4 J of work to move a charge of 20 C from point A to point B, separated by a distance of 0.2 cm. The potential difference between A and B in volts
0%
0.2
0%
16
0%
5
0%
80
What is the direction of the lines of force at any point on the equipotential surface?
0%
Parallel to it
0%
Perpendicular to it.
0%
Inclined at 45 degrees
0%
None of the above
A hollow metal sphere of radius 10 cm is charged such that the potential on its surface is 80 volt. The potential at the centre of the sphere is
0%
8 volt
0%
zero
0%
800 volt
0%
80 volt
Electric field intensity at point ‘B’ due to a point charge ‘Q’ kept at a point ‘A’ is 12 NC-1 and the electric potential at a point ‘B’ due to same charge is 6 JC-The distance between AB is
0%
2 m
0%
1.5 m
0%
1 m
0%
0.5 m
E=-dV/dr, here the negative sign signifies that
0%
E increases when V decreases
0%
E is directed in the direction of decreasing V
0%
E is negative
0%
E is opposite to V
Work done in carrying 2C charge in a circular path of radius 2m around a charge of 10C is
0%
6.67J
0%
60J
0%
Zero
0%
15J
Dimensional formula for potential difference is
0%
A
0%
B
0%
C
0%
D
Whats motion?
0%
Motion
0%
Speed
0%
Force
0%
None
If 100 J of work has to be done in moving an electric charge of 4C from a place where potential is -5 V to another place, where potential is V volt. The value of V is
0%
15 V
0%
20 V
0%
25 V
0%
10 V
A particle of charge q1 = is located on x-axis at the point x1 = 6 cm. A second point charge q2 = is placed on the x-axis at x2 = -4 cm. The absolute electric potential at the origin is
0%
9 x 10-6 V
0%
9 x 105 V
0%
9 x 10-4 V
0%
9 x 10-2 V
Electric potential is
0%
scalar and dimensionless
0%
vector and dimensionless
0%
scalar with dimension
0%
vector with dimension
The amount of work done in moving a unit positive charge through distance of 10 cm on an equipotential surface is
0%
100 joule
0%
10 cm
0%
1/10 cm
0%
Zero
Equal charges are given to two spheres of different radii. The potential will
0%
be equal on both the spheres
0%
be more on the smaller sphere
0%
be more on the bigger sphere
0%
depend on the material of the sphere
A hollow metal sphere of radius 5cm is charged so that the potential on its surface is 10V. The potential at a distance of 2cm from the centre of the sphere is
0%
4V
0%
zero
0%
10/3V
0%
10V
0 h : 0 m : 1 s
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
0
Answered
0
Not Answered
0
Not Visited
Correct : 0
Incorrect : 0
Report Question
×
What's an issue?
Question is wrong
Answer is wrong
Other Reason
Want to elaborate a bit more? (optional)
Support mcqgeeks.com by disabling your adblocker.
×
Please disable the adBlock and continue.
Thank you.
Reload page