A device used to change the voltage and current from one level to another, is known as a/an
a) conductor
b) resistor
c) alternator
d) transformer
e) power booster
Answer: D
A device used to change the voltage and current from one level to another, is known as a/an
a) conductor
b) resistor
c) alternator
d) transformer
e) power booster
Answer: D