GATE EE 2017 Set 2 — Question 22
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Electric Circuits → Network Elements & Sources → Energy in L & C
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Question
The initial charge in the capacitor present in the circuit shown is zero. The energy in joules transferred from the DC source until steady state condition is reached equals ______. (Give the answer up to one decimal place.)
Correct answer
99 to 101
Solution
At steady state, the capacitor acts as an open circuit. Since the capacitor is the only path from the positive terminal of the source to the rest of the circuit, no current flows in the steady state ().
1.The voltage across the capacitor at steady state is equal to the source voltage: .
2.The charge stored in the capacitor is .
3.The energy transferred from the DC source is .
4.Since the initial charge is zero, .
5..
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