OHM'S LAW

The unit of electrical resistance is the: ampere ohm volt ohm-cm

ohm

The unit of potential is the ____

volt

If a 10-volt battery is placed across a 20-ohm resistance, the current will be ____ amperes.

0.5

If a 10-volt battery is placed across a 2-ohm resistance (R = 2Ω), a current of ____ amperes will flow.

5

The formula for Ohm's law can be written: V equals _____. I / R I x R R / I

I x R

The unit of resistance is the ____

Ohm

The formula for Ohm's law can be written: R equals _____. I / V I x V V / I

V / I

The formula for Ohm's law can be written: I equals _____. V / R R / V I x V

V / R

Match these vocabulary words with their correct definitions. Match the items in the left column to the items in the right column. 1.equation that relates current, potential, and resistance 2.device for measuring current 3.device for measuring voltage (potential)

ammeter 2 Ohm's law 1 voltmeter 3

The unit of current is the ____

ampere

According to Ohm's law, the ratio of voltage to current in a conductor is ____ .

constant