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4.3 Electric circuits

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Question 84

Lamps in a home are usually connected in parallel rather than in series. What is a key disadvantage of connecting these lamps in series?

A

Each lamp can be switched on and off independently.

B

Fewer connecting wires are required to build the circuit.

C

If one lamp fails, all the other lamps in the circuit also go out.

D

The total current drawn from the mains supply is much larger.

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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