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A 12.5μF capacitor is charged to a potential of 50.0V and then discharged through a 75...

A 12.5μF capacitor is charged to a potential of 50.0V and then discharged through a 75 Ω resistor.​Show all work without skipping any steps. Use a pen and paper or an equation editor only. Thanks!

a)How long after the discharge begins does the charge drop to 90% of its initial value?

b)What is the current through the capacitor at this time?

c)What is the time constant for this circuit?

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Answer #1

At t=0s,

...................(I)

(a)

(given)

(b)

(c)

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