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An uncharged capacitor and a resistor are connected in series to a source of EMF. If...

An uncharged capacitor and a resistor are connected in series to a source of EMF. If ε = 4.23 V, C = 17.6 μF, and R = 138 Ω, calculate the time constant τ of the circuit.

Calculate the maximum charge on the capacitor.

Calculate the charge on the capacitor after one time constant.

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