Electro Magnetic Induction And Alternating Currents Question 264

Question: The ratio of secondary to primary turns is 9:4. If power input is P, what will be the ratio of power output (neglect all losses) to power input [DCE 1999]

Options:

A) 4 : 9

B) 9 : 4

C) 5 : 4

D) 1 : 1

Show Answer

Answer:

Correct Answer: D

Solution:

Since all the losses are neglected. So Pout=Pin



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