WAEC Physics Past Questions & Answers - Page 204

1,016.

The region around a magnet in which the magnetic influence is experienced is called

A.

magnetic flux

B.

magnetic field

C.

magnetic meridian

D.

magnetic declination

Correct answer is B

No explanation has been provided for this answer.

1,018.

In the diagram given, the current passing through the 6\(\Omega\) resistor is 1.5A. Calculate the terminal p.d. of the battery in the diagram

A.

7.50V

B.

9.00V

C.

10.80V

D.

1.25V

Correct answer is C

C.V = 1R1 + 1R2

= (1.2 1.5) + (1.5 6)

= 1.8 + 9

= 10.80V

1,019.

In the diagram above, the current passing through the 6\(\Omega\) resistor is 1.5A. Calculate the current in the 30\(\Omega\) resistor

A.

1.20A

B.

0.90A

C.

0.75A

D.

0.60A

Correct answer is D

No explanation has been provided for this answer.

1,020.

The capacitance of a parallel-plate capacitor is increased by making the area of the plates

A.

small and their seperation large

B.

large and their seperation small

C.

and their seperation small

D.

and their seperation equal

Correct answer is B

No explanation has been provided for this answer.