Title: EXP1
Course: مختبر فيزياء عامه 2 الشعبة 10 عملي

Q: Which of the following statement is correct?
- Electric field lines are perpendicular to equipotential surfaces
- Electric field lines are at 45 degrees to the equipotential surfaces
- Field lines due to a point charge are circular
- An electric field is a scalar quantity
A: Electric field lines are perpendicular to equipotential surfaces

Q: Two equipotential surfaces with V = 2 volts and V=4 volts are drawn between two point charges, as shown in fig.1. The change in the potential energy as a charge of 1C moved from 1 to 2 to 3 is .....

[Image]
- 2 J
- 4 J
- 0 J
- 1 J
A: 2 J

Q: Two equipotential surfaces with V = - 2 volts and V=4 volts are drawn between two point charges,

as shown in fig.1. Electric field lines will be directed .........

[Image]
- From right to left
- from left to right
- parallel to the x-axis
- from south to north
A: From right to left

Q: What is the nature of equipotential surfaces in case of a positive point charge?
- Circular
- Spherical
- Cubical
- Line
A: Spherical

Q: According to the diagram, the equipotential points are _____. The arrows are the direction of the electric field.
[Image: Figuer]
- P and Q
- S and Q
- S and R
- P and R
A: S and R

Q: A smaller sphere has potential 50V and a larger sphere has potential 100V. How should they be placed so that if they are connected with the help of a wire, the charge will flow from the smaller sphere to the larger sphere? Both the spheres are conducting and hollow.
- Concentrically
- Touching each other
- It is never possible
- The smaller sphere should be grounded
A: Concentrically