Electro Magnetic Induction And Alternating Currents Question 276

Question: In a transformer, the number of turns in primary and secondary are 500 and 2000 respectively. If current in primary is 48 A, the current in the secondary is [Orissa PMT 2004]

Options:

A) 12 A

B) 24 A

C) 48 A

D) 144 A

Show Answer

Answer:

Correct Answer: A

Solution:

$ \frac{N_{s}}{N_{p}}=\frac{i_{p}}{i_{s}}\Rightarrow \frac{2000}{500}=\frac{48}{i_{s}}\Rightarrow i_{s}=12A $



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