Question

The primary winding of a transformer has 100 turns and its
secondary winding has 200 turns. The primary is connected
to an A.C. supply of 120 V and the current flowing in it is 10
A. The voltage and the current in the secondary are
(a) 240 V, 5 A (b) 240 V, 10 A
(c) 60 V, 20 A (d) 120 V, 20 A

Answer 1

Answer:

ANSWER

We know that,

NpNs=VpVs⇒100200=120Vs⇒Vs=100200×120=240V

Also,

VpVs=isip⇒120240=is10is=24010×120=5A

Thus Vs=240V,is=5A

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