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EnglandElectronicsQuick questions

Component 1 Principles of Electronics

Quick questions on Capacitors, inductors and the RC time constant - Eduqas A-Level Electronics

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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A 220 μF220\ \mu\text{F} capacitor is charged to 5.0 V5.0\ \text{V}. Find the charge stored. [2 marks]
What is q2?
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A 10 μF10\ \mu\text{F} capacitor discharges through a 100 kΩ100\ \text{k}\Omega resistor. Find the time constant. [2 marks]
What is q3?
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Two 4.7 μF4.7\ \mu\text{F} capacitors are connected in parallel. Find the total capacitance. [1 mark]

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