Electricity & Magnetism

Resistors in Parallel

1Req=1R1+1R2+...\frac{1}{R_{eq}} = \frac{1}{R_1} + \frac{1}{R_2} + ...

Total resistance of resistors in parallel.

Variables

R_eq
Equivalent resistance
Total resistance
Ω
R₁
Resistance 1
First resistor
Ω
R₂
Resistance 2
Second resistor
Ω

Derivation

Same voltage: I = I₁ + I₂ = V/R₁ + V/R₂.

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