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4.3 Electric circuits

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Question 66

A student has two resistors.

One resistor has a resistance of 5.0 Ω and the other has a resistance of 50 kΩ50\text{ k}\Omega50 kΩ.

Which statement is correct?

A

When connected in parallel, the combined resistance is 4.5 Ω4.5\ \Omega4.5 Ω.

B

When connected in parallel, the combined resistance is 5.0 Ω5.0\ \Omega5.0 Ω.

C

When connected in series, the combined resistance is 4.5 Ω4.5\ \Omega4.5 Ω.

D

When connected in series, the combined resistance is 55 Ω55\ \Omega55 Ω.

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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