Engineering
Intermediate

Transformer Ratio

Voltage ratio equals the turns ratio.

Formula

VpVs=NpNs\frac{V_p}{V_s} = \frac{N_p}{N_s}

Variables

VVoltage
NTurns
p,sPrimary/secondary

Example

Steps voltage up or down

Did You Know?

Transformers have no moving parts yet quietly make the entire long-distance power grid possible.

electrical