Ohms Law & Electricity

Front

What unit of measurement does Ω represent?

Back

ohms

Front

A circuit of a radio has a resistance of 18 Ω and it powered by a 9 volt battery. What is the strength of the current?

Back

0.5 A

Front

This rubber ducky would block the flow of electricity, because:

Back

it is an insulator

Front

A circuit of 6 A has 240 V. What is the resistance on this circuit?

Back

40 Ω

Front

What does this symbol represent?

Back

battery

Front

What is Ohm's Law?

Back

Ohm's Law states that the current (I) through a conductor between two points is directly proportional to the voltage (V) across the two points and inversely proportional to the resistance (R). Formula: V = I × R.

Front

What is the unit of current?

Back

amps (A)

Front

What is the unit of voltage?

Back

volts (V)

Front

What is the unit of power?

Back

watts (W)

Front

What is a conductor?

Back

A material that allows electricity to flow through it easily.