Electro Magnetic Induction And Alternating Currents Question 587

Question: In circular coil, when no. of turns is doubled and resistance becomes $ \frac{1}{4}th $ of initial, then inductance becomes [AIEEE 2002]

Options:

A) 4 times

B) 2 times

C) 8 times

D) No change

Show Answer

Answer:

Correct Answer: A

Solution:

$ L\propto N^{2} $



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