1in an rc series circuit emf 1200 v r 140 momega and c , Ask an Expert

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1. In an RC series circuit EMF = 120.0 V, R = 1.40 MΩ, and C = 1.80μF.

(a) Calculate the time constant.

(b) Find the maximum charge that will appear on the capacitor during charging.

(d) What is the maximum current through the resistor?

(e) What is the potential difference across the capacitor after it has been charging for 1.0 sec?

(f) Sketch the charge and current as functions of time.

(g) After being totally charged, the capacitor is carefully disconnected from the circuit above without discharging it. It is connected to a 520 kΩ resistor and begins to discharge. What is the time constant for this circuit?

(h) What will be the potential difference across the capacitor after 400 cosec?

(i) Sketch the charge and current as functions of time.

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Reference No.:- M91707153

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