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JEE 2020 Revision Quiz :Alternating Current & EM Waves - 1
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Question 1
If in a LR circuit, R=10ohms and L=0.05H, after 5ms what fraction of the maximum is the current in the inductor.
Question 2
After what time, current flowing through the inductor becomes 33% of its maximum value when R=20ohms and L= 0.01H,
Question 3
In series LR circuit, let R=10ohms and L =0.05H. Find instantaneous power (in W) dissipated in the circuit when t=10ms. Given Vmax = 5V
Question 4
If V= Vosin(500t). If resistance R=20ohms and inductance is 0.04H.
Question 5
A plane electromagnetic wave in a non-magnetic dielectric medium is given by 
with distance being in meter and time in seconds. The dielectric constant of the medium is :
with distance being in meter and time in seconds. The dielectric constant of the medium is :
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Apr 8JEE & BITSAT
