Questions
In shown circuit, initially capacitor is uncharged. If switch S is closed at t = 0, then initial current through R is :
a
ER
b
E2R
c
E3R
d
cannot be determined
detailed solution
Correct option is A
At t = 0, capacitor behaves as short circuit so required current = ERTalk to our academic expert!
Similar Questions
A copper wire of cross-sectional area 2.0 mm2 , resistivity , carries a current of 1 A. The electric field in the copper wire is
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