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CAIE IGCSE Physics 4.2.5.2 Recall Use for Electrical Power P Questions

Practise calculating electrical power, current or potential difference for lamps, heaters, resistors and supplies.

Syllabus
2026–2028
Course
Physics 0625

Exam points

  • substitute current and potential difference into P = IV to calculate power
  • rearrange P = IV to find current or voltage with consistent units
  • combine P = IV with V = IR when resistance data is given

CAIE IGCSE Physics 4.2.5.2 Recall Use for Electrical Power P Questions question 1

[Maximum number: 2]

Fig. 6.2 shows an electric circuit.

Fig. 6.2

Fig. 6.2

Calculate the electrical power transferred in the 4.2Ω4.2 \Omega resistor.

power =

[Total: 11]

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