Question

What is necessary in order for a transformer to operate?

The primary coil must have more loops than the secondary coil.

The output of the secondary coil must be at least 6 volts.

The primary coil must have fewer loops than the secondary coil.

The primary coil must be supplied with alternating current.

Answer 1

The primary coil must be supplied with alternating current.

Step-by-step explanation:

Answer 2

The primary coil must be supplied with alternating current