Electro Magnetic Induction And Alternating Currents Question 242

Question: The transformation ratio in the step-up transformer is

Options:

A) 1

B) Greater than one

C) Less than one

D) The ratio greater or less than one depends on the other factors

Show Answer

Answer:

Correct Answer: B

Solution:

Transformation ratio k=NsNp=VsVp For step-up transformers, Ns>Np i.e. Vs>Vp, hence k>1.



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