CAIE A-Level Physics AS 9.3.1 Resistance Questions

Define resistance as the ratio of potential difference to current.

Syllabus
2028–2030
Course
Physics 9702
Level
AS

Exam points

  • Define resistance as the ratio of potential difference to current.

CAIE A-Level Physics AS 9.3.1 Resistance Questions question 1

[Maximum number: 1]

Which equation is used to define resistance?

A

energy =( current )2×=(\text { current })^{2} \times resistance × time

B

potential difference = current × resistance

C

power =( current )2×=(\text { current })^{2} \times resistance

D

resistivity = resistance × area ÷ length

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