Question

A transformer is a device which converts
A. low voltage at low current into high voltage at high current
B. high voltage at low current into low voltage at high current
C. high voltage at high current into low voltage at low current
D. electrical power into mechanical power

Answer 1

Correct Answer - B
Transformer is a device used to convert high alternating voltage at low current into low alternating voltage at high current and vice -versa.