SATHEE: Electro Magnetic Induction And Alternating Currents Question 587

Electro Magnetic Induction And Alternating Currents Question 587

Question: In circular coil, when no. of turns is doubled and resistance becomes $\frac{1}{4} t h$ 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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Electro Magnetic Induction And Alternating Currents Question 587

Question: In circular coil, when no. of turns is doubled and resistance becomes 14th of initial, then inductance becomes [AIEEE 2002]

Options:

Answer:

Solution:

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