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4.3 Electric circuits

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Question 8

Which combination of logic gates gives the truth table shown below?

Input PPPInput QQQOutput RRR
001
010
100
110
A

An OR gate followed by a NOT gate

B

An AND gate followed by a NOT gate

C

A NAND gate followed by a NOT gate

D

A NOR gate followed by a NOT gate

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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