Electro Magnetic Induction And Alternating Currents Question 280

Question: In a step up transformer, if ratio of turns of primary to secondary is 1 : 10 and primary voltage is 230 V. If the load current is 2A, then the current in primary is [Orissa PMT 2005]

Options:

A) 20 A

B) 10 A

C) 2 A

D) 1 A

Show Answer

Answer:

Correct Answer: A

Solution:

NPNS=ISIP

Þ IP=NSNPIS=101×2=20,A .



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