Question

What is the function of a transformer?

• A. It converts AC to DC
• B. It converts DC to AC
• C. To Step down or up the DC voltages
• D. To Step down or up the AC voltages

Answer 1

The correct option is D

To Step down or up the AC voltages

Transformers are used in electric circuits to change the voltage of electricity flowing in the circuit. It is used to increase the voltage (called 'stepping up') or decrease the voltage ('stepping down') in AC circuits.