CAPE Physics Unit 2 · 2019 · Paper 1 · Question Q12
The mathematical equation for the discharge of a capacitor, C, through a resistor, R, is given by
Q = Q_0 e^{\left[-\frac{t}{RC}\right]}.
The value of RC is called the
- (A)resistivity of the capacitor
- (B)resistance of the capacitor
- (C)time constant of the circuit
- (D)energy stored before discharge
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