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4.2.2a Electric current, charge and measuring current

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Question 47

Three statements about alternating current (a.c.) and direct current (d.c.) are given:

  1. In a d.c. circuit, the flow of charge is always in a single direction.
  2. The term 'a.c.' stands for alternating current, which periodically reverses its direction of flow.
  3. Mains electricity is typically a d.c. supply, while a chemical cell (battery) provides an a.c. supply.

Which statements are correct?

A

1 and 2 only

B

1 and 3 only

C

2 and 3 only

D

1, 2, and 3

Markscheme

4.2.2a Electric current, charge and measuring current Questions

  1. IGCSE
  2. /Physics
  3. /4.2.2a Electric current, charge and measuring current

51 exam-style questions on CIE IGCSE Physics 4.2.2a Electric current, charge and measuring current. Each one has a worked solution and a mark scheme showing where the marks go.

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