PPT Slide

Voltage

V1/V2 = E1/E2 = N1/N2 = a (a = voltage turns ratio)

Current

I2/I1 = a (Ampere’s law)

Impedance

Z1/Z2 = a2 (Reflected impedance)

Where the intended context is AC steady-state ideal-transformer operation

Section 12.8: Voltage, Current and Impedance Transformations

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