Electrostatics | Test For NTS PPSC FPSC, TEST

The capacitance between two plates increases with____________?

Hamad Electrostatics 16/03/2021

A. shorter plate area and higher applied voltage
B. shorter plate area and shorter distance between them
C. larger plate area, longer distance between plates and higher,applied voltage
D. larger plate area and shorter distance between plates

The power dissipated in a pure capacitor is______________?

Hamad Electrostatics 14/03/2021

A. zero
B. proportional to applied voltage
C. proportional to value of capacitance
D. both (B) and (C) above

Two charges are placed at a certain distance. If the magnitude of each charge is doubled the force will become_____________?

Hamad Electrostatics 12/03/2021

A. 1/4th of its original value
B. 1/8th of its original value
C. 4 times of its original value
D. 8 times of its original value

When 4 volts e.m.f. is applied across a 1 farad capacitor, it will store energy of_____________?

Hamad Electrostatics 09/03/2021

A. 2 joules
B. 4 joules
C. 6 joules
D. 8 joules

The electric lines of force are____________?

Hamad Electrostatics 06/03/2021

A. imaginary
B. physically existing every where
C. physically existing near the charges
D. depends upon case

When we rub a glass rod with a silk cloth then________________?

Hamad Electrostatics 03/03/2021

A. glass rod acquires negative charge while silk acquires positive charge
B. glass rod acquires positive charge while silk acquires negative charges
C. both glass rod and silk acquire negative charge
D. both glass rod and silk acquire positive charge