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This is an MCQ-based quiz on the topic of Numerical quiz on Coulomb's law and electric field.
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.
What materials transfer charge most easily?
Conductors
Insulators
A 2 C charge experiences a force of 40 N when put at a certain location in space. The electric field at that location is _____ N/C
2
20
80
42
When drawing electric field lines more lines indicates a ____________ electric field
Weaker
Stronger
Neutral
What is the unit for Electric Force?
N
C
N/C
C/N
Two point charges initially 4 cm apart are moved to a distance of 12 cm apart. By what factor does the resulting electric force between them change?
1/3
1/9
8
9
Three capacitors are connected in triangle as shown in the figure. The equivalent capacitance between the points A and C is ____ micro F.
1
2
3
1/4
A thin conducting spherical shell of radius R has a charge Q which is uniformly distributed on its surface. The correct plot for electrostatic potential due to this spherical shell is
A
B
C
D
An electric field 
=10x 
exists in a certain region of space. Then the potential difference V = Vo – VA, where Vo is the potential at the origin and VA is the potential at x = 2 m is ____ J:
10
-20
20
-10
An electric dipole is placed at an alignment angle of 30º with an electric field of 2 × 105 N C-1. It experiences a torque equal to 8 N m. The charge on the dipole if the dipole length is 1 cm is in mC
4
8
6
7
What is the ratio of the charges |q1/q2| for the following electric field line pattern?
1/5
25/11
5
11/25
