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10.3 Electrical energy and power

10.3 Electrical energy and power

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Question 7

An engineer tests a miniature heating element designed for a microfluidic thermal cycler.

When connected to a 12.0 V DC power supply, the current in the heating element is 450 mA.

Calculate the energy transferred to the heating element in 8 minutes8\text{ minutes}8 minutes.

Use an equation selected from the physics equations sheet.

[3]
Markscheme

10.3 Electrical energy and power Questions

  1. GCSE
  2. /Physics
  3. /10.3 Electrical energy and power

31 exam-style questions on Edexcel GCSE Physics 10.3 Electrical energy and power. Each one has a worked solution and a mark scheme showing where the marks go.

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