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In the circuit shown below, the capacitor initially has a voltage across it 4 Volts (at t = 0).
a. Write down the expression for VC (t) when the switch is closed.
b. Write down the expression for IC (t) when the switch is closed.
c. Find the initial current when the switch is closed.
d. What will be the final voltage across the capacitor, and how long will it take the capacitor to reach that voltage?
e. What is VC after one time constant has passed?
f. How long will it take for the capacitor to get to VC = 20 Volts?
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I want to make project plz help me n gove me idea about actually its my first year in electrical engineering thts why Ineed help hpfully you will reply soon
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