In the figure given, for the initial capacitor voltage is

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In the figure given, for the initial capacitor voltage is zero. The switch is closed at t = 0. The final steady-state voltage across the capacitor is—

1. 10V
2. 5V
3. 20V
4. 0V

Correct Option: A

Capacitor will fully charge act an open.

I =	20	= 1Amp
	10 + 10

V_C(0^–) = 0 (given)
V_C(∞) = Voltage across 10Ω terminal V_C(∞) = 10 × 1
= 10V