Quick questions on EMF and internal resistance: terminal pd and lost volts - AQA A-Level Physics

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 the EMF of a cell. [1 mark]

What is q2?

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A cell of EMF

1.5 \text{ V}

has a terminal pd of

1.2 \text{ V}

when supplying

0.60 \text{ A}

. Calculate the internal resistance. [2 marks]

What is q3?

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State the terminal pd of a cell when no current is drawn from it. [1 mark]

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