7 An AC voltage source described by V 10 cos 2 t is connected to a 1 F capacitor as show figure The key K is closed at t 0 The

Question

7 An AC voltage source described by V 10 cos 2 t is connected to a 1 F capacitor as show figure The key K is closed at t 0 The time t 0 after which the magnitude of curre reaches its maximum value for the first time is a is c 3 s V 10 cos K b 2 s d 4 s C 1 F

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