Physics, asked by MuhammadDarab, 11 hours ago

name the device used to increase or decrease output a/c voltage? Describe any two factors effecting its efficiency?

Answers

Answered by ethicalhacker7049

Answer:

Transformer works on the principle of mutual induction of two coils. When current in the primary coil is changed the flux linked to the secondary coil also changes. Consequently an EMF is induced in the secondary coil

Explanation:

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