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Northern IrelandPhysicsQuick questions
Electricity, magnetism and electromagnetism
Quick questions on Charge, current, voltage and resistance - CCEA GCSE Physics
6short 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 potential difference (voltage)?Show answer
Voltage is measured with a voltmeter placed in parallel across a component.
What is q1?Show answer
State the equation linking charge, current and time. [1 mark]
What is q2?Show answer
A supply drives through a resistor. Find the resistance. [2 marks]
What is q3?Show answer
How should an ammeter be connected in a circuit? [1 mark]
What is q4?Show answer
A charge of flows through a wire in . Calculate the current. [2 marks]
What is q5?Show answer
State the unit of potential difference and the unit of resistance. [2 marks]
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