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4.2.5 Electrical energy and electrical power

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Question 15

A student measures the potential difference across a device and the current flowing through it.

Which calculation gives the electrical power of the device?

A

potential difference+current\text{potential difference} + \text{current}potential difference+current

B

potential difference÷current\text{potential difference} \div \text{current}potential difference÷current

C

current÷potential difference\text{current} \div \text{potential difference}current÷potential difference

D

potential difference×current\text{potential difference} \times \text{current}potential difference×current

Markscheme

4.2.5 Electrical energy and electrical power Questions

  1. IGCSE
  2. /Physics
  3. /4.2.5 Electrical energy and electrical power

69 exam-style questions on CIE IGCSE Physics 4.2.5 Electrical energy and electrical power. Each one has a worked solution and a mark scheme showing where the marks go.

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