Electro Magnetic Induction And Alternating Currents Question 10

Question: A capacitor is a perfect insulator for

Options:

A) Alternating currents

B) Direct currents

C) Both ac and dc

D) None of these

Show Answer

Answer:

Correct Answer: B

Solution:

XC=1ωC=12πν,C ; For dc ν=0,,XC=



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