Current, Voltage and Resistance Review

Front

Voltage is measured in __.

Back

volts.

Front

As the resistance of a circuit increases, the current will

Back

decrease

Front

A conductor has _____ resistance. An insulator has ______ resistance.

Back

Low; high.

Front

A resistor

Back

Is used in a circuit to control the amount of current

Front

Which two changes to a metal wire both increase resistance?

Back

Decreasing its thickness and increasing its temperature

Front

What is the unit of measure for current?

Back

ampere

Front

What unit of measure is for resistance?

Back

ohms

Front

What moves when we say that there is current?

Back

electrons

Front

Current: 2A, Resistance: 24 ohms. What is the voltage?

Back

48 V

Front

What size resistor would produce a 3 Amp current flow with a 12 Volt battery?

Back

4 Ohms