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10 results for “resistance”

Formulae (10)

V = IR

Voltage equals current times resistance.

V = IR

Voltage across a resistor equals current times resistance.

V = IR

Voltage equals current times resistance.

P = \frac{V^2}{R}

Power from voltage and resistance.

R_{eq} = R_1 + R_2 + \cdots

Series resistances add directly.

\frac{1}{R_{eq}} = \frac{1}{R_1} + \frac{1}{R_2} + \cdots

Reciprocals of parallel resistances add.

R = \frac{\rho L}{A}

Resistance from resistivity, length and area.

I = \frac{bh^3}{12}

Resistance of a rectangular section to bending.

R_{eq} = R_1 + R_2 + \cdots

Total resistance of resistors in series.

\frac{1}{R_{eq}} = \frac{1}{R_1} + \frac{1}{R_2} + \cdots

Total resistance of resistors in parallel.