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1Course map and prerequisites
2Resistive networks
3Capacitors and inductors in circuits
4First-order transients
5Second-order RLC circuits
6AC and phasors
7AC power and resonance
8Filters and frequency response
9Transformers
10Semiconductors and diodes
11BJT transistors
12FET transistors
13Amplifiers and op-amps
14Logic families and gates
15Combinational logic
16Sequential logic
17A/D–D/A conversion and sampling
18Guide to framing a circuit problem

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Electronic Physics
Transformers
Turns ratio

9. Transformers

Turns ratio

In 9. Transformers

Formula

n=\frac{N_1}{N_2}

Tags

Electronics
physics
Electronics formula
physics formula
Transformers

Detail

Computes Turns ratio from the circuit model and the stated conditions.

Variables

$V_1,V_2$ V
$I_1,I_2$ A
$N_1,N_2,n$ turns or ratio
$Z_L,Z_{\mathrm{in}}$ Ω
$\eta$ dimensionless.

Conditions

Ideal transformer unless efficiency or Faraday is cited.

Conventions

V, A, Ω or dimensionless

Last reviewed: 2026-09-19

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