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This is an MCQ-based quiz on the topic of Introduction to electric field and potential.
This set of MCQs helps you brush up on the important physics topics and prepare you to dive into skill practice and expand your knowledge.
After you rub a balloon on your hair, the balloon has a negative charge. What charge does your hair have?
Positive
Negative
Neutral
Protons are...
Positive
Negative
Neutral
Electrons are...
Positive
Negative
Neutral
What is the unit of electric charge?
C
A
V
P
The work done in moving 500 μC charge between two points on equipotential surface is
100
0
20
89
If a point lies at a distance x from the midpoint of the dipole, the electric potential at this point is proportional to
1/x3
1/x2
1/x4
x
A hollow metal ball carrying an electric charge produces no electric field at points
At a distance more than twicw
On its surface
Inside the surface
Outside the surface
Two point charges +4q and +q are placed 30cm apart. At what point on the line joining them the electric field is zero from he charge q in cm?
15
12
5
50
Electric field intensity is 400Vm-1 at a distance of 2m from a point charge.It will be 100Vm-1 at a distance in cm?
50
11.5
4
40
Protons move around and make materials more positive
True
False
