Quick questions on Capacitors: capacitance, energy stored and exponential discharge - OCR A-Level Physics A

3short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.

What is q1?

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Define capacitance and state its unit. [2 marks]

What is q2?

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Two

4.0\ \mu\text{F}

capacitors are connected in parallel. Find the total capacitance. [1 mark]

What is q3?

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1000\ \mu\text{F}

capacitor discharges through a

2.0\ \text{k}\Omega

resistor. Find the time constant. [2 marks]

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