PRE-UPS 1 SP025

A, B and C are three points in a uniform electric field. The electric potential is

• Maximum at A
• Maximum at B
• Maximum at C
• Same at all the three points A, B and C

A region around a stationary electric charge is

• An electric field
• A magnetic field
• A magnetic line
• None of the above

The energy supplied by a unit charge as it moves from one point to the other in the direction of the field is called

• electric field
• electric field strength
• potential difference
• electric field intensity

Which of the following represents the electric field map due to a combination of two positive charges?

• 
• 
• 
• 

A non-uniform electric field which is represented by equipotential lines. What is the direction of the electric field at point A?

• 
• 
• 
• 

An electric field due to a positive charge is represented by the diagram. Between which of the following two points does the electric field do zero work on a moving charge?

• A and B
• B and C
• C and D
• D and E

An electric field is created by two parallel plates. At which of the following points is the electric field the strongest?

• A
• B
• C
• None of the above

Which among the following equations is correct?

• Q=CV
• Q=C/V
• C=QV
• C=V/Q

Capacitors charge and discharge in __________ manner.

• square
• linear
• exponential
• None of the above

The capacitance of a parallel-plate capacitor depends on which of the following?

• I and III
• I and II
• II and III
• I, II and III