If the voltage in the primary coil of a step-up transformer with a transformation ratio 3 : 2 is 30 V , then the voltage in the secondary coil is

Question

If the voltage in the primary coil of a step-up transformer with a transformation ratio 3 : 2 is 30 V , then the voltage in the secondary coil is, 45 V, 15 V, 90 V, 300 V

MARKS App · Accepted Answer

Transformation ratio k = N s / N p , since V s / V p = N s / N p ∴ V s = N s / N p × V p

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