Ch 18-21 T/F

A step- down transformer raises the voltage on the output from the input

• True

• False

A transformer can be used to transfer electrical power from one circuit to another

• True

• False

In the shell-type transformer, the core is around the winding

• True

• False

The induction coil in an automobile ignition uses alternating current

• True

• False

The primary in an autotransformer is connected across the input power supply

• True

• False

The secondary winding in a transformer is also known as the input winding

• True

• False

The transformers found on utility poles are designed to increase the amount of power in the wire

• True

• False

A P-type material is a very good insulator

• True

• False

A diode conducts electricity in both directions

• True

• False

A voltage regulator is an integrated circuit that helps smooth out the pulses of direct current in a rectifier circuit

• True

• False