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4.3 Electric circuits

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Question 35

Why are household appliances and lamps typically connected in parallel rather than in series?

A

To allow each appliance to be operated and switched on or off independently.

B

To increase the total electrical resistance of the household circuit.

C

To ensure that if one appliance fails, all other appliances also stop working.

D

To decrease the total current drawn from the main electrical supply.

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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