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4.3 Electric circuits

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Question 57

Two identical light bulbs are connected in parallel to a constant-voltage power supply. Which statement describes an advantage of this parallel connection compared to a series connection?

A

If one bulb breaks, the other bulb continues to shine.

B

The total power consumed by the circuit is halved.

C

The total resistance of the circuit increases, preventing overheating.

D

Each bulb receives only half of the power supply's voltage.

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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