Physics questions and answers

Physics Questions and Answers

If you want to learn more about the nature and properties of matter and energy or you're simply preparing for a Physics exam, these Physics past questions and answers are ideal for you.

1,126.

Which device does NOT make use of the magnetic effects of an electric current?

A.

hot-wire ammeter

B.

moving-coil ammeter

C.

moving-coil loudspeaker

D.

moving-iron ammeter

E.

telephone earpiece

Correct answer is A

No explanation has been provided for this answer.

1,127.

The energy stored in a capacitor of capacitance 5 μF is 40J. What is the voltage applied across its terminals?

A.

4V

B.

8V

C.

16V

D.

200V

E.

4000V

Correct answer is E

No explanation has been provided for this answer.

1,128.

Which is a fundamental unit?

A.

ampere

B.

joule

C.

Newton

D.

ohm

E.

watt

Correct answer is A

No explanation has been provided for this answer.

1,130.