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4.3.3 Action and use of circuit components

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Question 2
a.

Draw the standard symbol for a two-input AND gate.

[2]
b.

Describe the action of an AND gate in terms of its inputs and outputs.

[2]
c.

A home security company wishes to install an outdoor security light that only turns on at night (when a light sensor detects darkness) and when motion is detected. An AND gate is to be used in the design of this control system. Describe suitable input and output arrangements for the gate.

[3]
Markscheme

4.3.3 Action and use of circuit components Questions

  1. IGCSE
  2. /Physics
  3. /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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