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Question

A circuit containing capacitors C1 and C2 as shown in figure are in steady state with key k1 closed at the instant t=0, if k1 is opened and K2 is closed then the maximum current in the circuit will be:
1136952_d0b30425ebb549139bbd07935a8c1cb1.png

A
1 A
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B
5A
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C
2 A
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D
None of these
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Solution

The correct option is A 1 A
Fromthefigurevoltageacrosscapacitor2μF(c1)atsteadystate=10vwherek2isclosedMaxcurrentisobtainewhentotaleneegyofc1istransferedtotheinductorHence,12I2L=12cv2I=cv22=cLv=w2×1050.2×103=1010×103=101×10=1A
hence, the option A is the correct answer.

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