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4.3 Electric circuits

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Question 80

Which of the following is an advantage of connecting household appliances in parallel rather than in series?

A

Each appliance can be operated independently using its own switch.

B

The overall resistance of the circuit increases as more appliances are switched on.

C

A main fuse with a lower current rating can be used to protect the entire circuit.

D

The current from the power supply is shared equally among all appliances regardless of their power rating.

Markscheme

4.3 Electric circuits Questions

  1. IGCSE
  2. /Physics
  3. /4.3 Electric circuits

136 exam-style questions on CIE IGCSE Physics 4.3 Electric circuits, covering 4.3.1a Circuit diagrams and circuit components, 4.3.2a Series circuits, 4.3.2b Parallel circuits, 4.3.2c Current and potential difference in circuits, 4.3.2d Combined resistance of resistors in parallel, and 4.3.3 Action and use of circuit components. Each one has a worked solution and a mark scheme showing where the marks go.

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