2. The switch in the circuit has been in the left position for a long time. At t-0 it moves to the right position and stays there. a) Find the initial voltage drop across the capacitor. b) Find the initial energy stored by the capacitor. c) Find the time constant of this circuit for t 0. d) Write the expression for the capacitor voltage v(t ,for t20. A 4 mA, R 25 R

89 2 - 2. The switch in the circuit has been in the left position for a long time. At t-0 it moves to the right position and stays there. a) Find the initial voltage drop across the capacitor. b) Find the initial energy stored by the capacitor. c) Find the time constant of this circuit for t 0. d) Write the expression for the capacitor voltage v(t ,for t20. A 4 mA, R 25 R

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images - 2. The switch in the circuit has been in the left position for a long time. At t-0 it moves to the right position and stays there. a) Find the initial voltage drop across the capacitor. b) Find the initial energy stored by the capacitor. c) Find the time constant of this circuit for t 0. d) Write the expression for the capacitor voltage v(t ,for t20. A 4 mA, R 25 R

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