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4.3.3 Action and use of circuit components

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Question 22

A diode is connected in an electrical circuit.

What is the primary function of a diode?

A

to allow current to flow in only one direction

B

to increase the voltage of a direct current source

C

to break the circuit if the current exceeds a safe limit

D

to store electrical energy in an electrostatic field

Markscheme

4.3.3 Action and use of circuit components Questions

IGCSE
Physics
4.3.3 Action and use of circuit components

67 exam-style questions on CIE IGCSE Physics 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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