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4.3 Electric circuits

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Question 37

Three identical indicators are each labelled '12 V, 6 W'. They are connected to a 12 V power supply.

In which circuit arrangement will all three indicators operate at their normal brightness?

A

All three indicators connected in a single series loop across the 12 V supply.

B

All three indicators connected in parallel across the 12 V supply.

C

Two indicators connected in parallel, with this combination connected in series with the third indicator across the 12 V supply.

D

Two indicators connected in series, with this combination connected in parallel with the third indicator across the 12 V 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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