(b) A circuit consists of a 1.5 MQ resistor connected in series to a 1.70 µF capacitor, a switch and a 1.5 V battery. (i) Sketch a circuit diagram for the RC series circuit above, with the ammeter and voltmeter. (ii) Sketch the variation of current against time (I-t graph) after switching on the circuit. Explain the shape of the graph using appropriate diagram(s). (iii) Calculate the time constant of the circuit.

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(b) A circuit consists of a 1.5 MQ resistor connected in series to a 1.70 µF capacitor, a
switch and a 1.5 V battery.
(i) Sketch a circuit diagram for the RC series circuit above, with the ammeter and
voltmeter.
(ii) Sketch the variation of current against time (I-t graph) after switching on the
circuit. Explain the shape of the graph using appropriate diagram(s).
(iii) Calculate the time constant of the circuit.
Transcribed Image Text:(b) A circuit consists of a 1.5 MQ resistor connected in series to a 1.70 µF capacitor, a switch and a 1.5 V battery. (i) Sketch a circuit diagram for the RC series circuit above, with the ammeter and voltmeter. (ii) Sketch the variation of current against time (I-t graph) after switching on the circuit. Explain the shape of the graph using appropriate diagram(s). (iii) Calculate the time constant of the circuit.
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