A.C. and D.C generators - Jamb Physics Past Questions and Answers

Question 6:

• JAMB 2006

The main purpose of the transformer in an a.c radio set is to?

A. Increase power to the radio
B. Step up the voltage
C. Convert energy from a.c to d.c
D. Step down the voltage

Question 7:

• JAMB 2008

The d.c generator has essentially the same components as the a.c generator except the presence of?

A. Slip-ring
B. Carbon brushes
C. Split ring
D. Armature