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4.3 Electric circuits

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Question 60

In an experiment demonstrating thermionic emission, a heated filament releases particles that are accelerated towards a positive anode. What are these emitted particles?

A

α\alphaα-particles

B

electrons

C

neutrons

D

protons

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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