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JEE 2020 Revision Quiz :Alternating Current & EM Waves - 2

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Question 1

For ϕ<90, which of the following is true?

Question 2

For 360>ϕ>270, which of the following is true?

Question 3

If series RLC circuit is at resonance, what is the effect of change in frequency?

Question 4

In series RLC circuit R=100ohms C=50μF and L=2mH and ω= 200. Find the power factor of the circuit.

Question 5

The average power carried by a wave and its direction in a non- magnetic medium with given expression of electric field is:
E = 6 sin (2 V/m
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Apr 8JEE & BITSAT