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PART A A resistor of 4 kilo-ohms is connected to a 12 micro-farad capacitor. The initial...

PART A

A resistor of 4 kilo-ohms is connected to a 12 micro-farad capacitor. The initial charge in the capacitor is 40 micro-coulombs. What is the time constant of the circuit?

PART B

A resistor of 4 kilo-ohms is connected to a 12 micro-farad capacitor. The initial charge in the capacitor is 40 micro-coulombs. What is the charge in the capacitor after 3 milli-seconds (ms)?

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