Understanding Ohm's Law

Front

Ohm's Law definition

Back

Voltage = Current × Resistance

Front

Symbol for Voltage

Back

V

Front

Symbol for Current

Back

I

Front

Symbol for Resistance

Back

R

Front

Unit of Voltage

Back

Volt (V)

Front

Unit of Current

Back

Ampere (A)

Front

Unit of Resistance

Back

Ohm (Ω)

Front

Formula for Resistance

Back

R = V / I

Front

Formula for Current

Back

I = V / R

Front

Formula for Voltage

Back

V = I × R