CAIE IGCSE Physics 4.2.3.3 Potential Difference P D As the Questions

Practise defining p.d. as work done per unit charge through a component, then applying that meaning to resistor energy transfers in exam questions.

Exam points

State p.d. as work done per unit charge passing through a component, apply V = W/Q to energy transfer through a resistor or circuit section, and distinguish potential difference from e.m.f. when interpreting circuit data.

[Maximum number: 2]

Define potential difference (p.d.).

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