JAMB Physics Past Questions & Answers - Page 142

707.
709.

For the wave motion represented above

The wavelength is given by

A.

p

B.

q

C.

r

D.

s

E.

t

Correct answer is D

No explanation has been provided for this answer.

710.

Fig 8 shows a current I flowing in a copper wire situated in a magnetic field existing between the pole-pieces of a horse-shoe magnet.
Which of the following statements is correct?

A.

The wire will experience a force in the direction into the paper

B.

The wire will experience a force in the direction out of the paper

C.

The wire will vibrate in a direction into and out of the paper

D.

the wire will move in the direction of the field i.e toward the s-pole

E.

the wire will not move because it is made of copper which is non magnetic

Correct answer is B

No explanation has been provided for this answer.