Post Utme Physics Past Questions and Answers

Question 986:

An electric device is rated \(2000 W , 250 V\).
The correct fuse rating of the device is ____________

A. 8A
B. 9 A
C. 7A
D. 6A

Question 987:

Satellite communication network makes use of ____________

A. Infra-reds
B. Sound wave
C. Visible light
D. Radio wave

Question 988:

If two inductors of inductances \(3 H\) and \(6 H\) are arranged in series, the total inductance is ____________

A. \(18.0 H\)
B. \(9.0 H\)
C. \(2.0 H\)
D. \(0.5 H\)

Question 989:

The current in a reverse-biased junction is due to ____________

A. Electrons
B. Majority carriers
C. Holes
D. Minority carriers

Question 990:

In an a.c circuit that contains only a capacitor, the voltage lags behind the current by ____________

A. \(90^{\circ}\)
B. \(180^{\circ}\)
C. \(60^{\circ}\)
D. \(30^{0}\)