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Mains electricity

Mains electricity

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Question 2
a.

A vacuum cleaner has a power of 800 W when operating at a voltage of 230 V.

State the equation linking power, current and voltage.

[1]
b.

Show that the current in the vacuum cleaner is about 3.5 A.

[2]
c.

Which fuse rating would be suitable for the vacuum cleaner?

  • A 1 A
  • B 3 A
  • C 5 A
  • D 13 A
[1]
d.

The vacuum cleaner uses mains electricity, which provides alternating current (a.c.).

Describe the difference between alternating current (a.c.) and direct current (d.c.).

[2]
e.

State a source of direct current.

[1]
Markscheme

Mains electricity Questions

  1. IGCSE
  2. /Physics
  3. /Mains electricity

28 exam-style questions on Edexcel IGCSE Physics Mains electricity. Each one has a worked solution and a mark scheme showing where the marks go.

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