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Physical quantities and units

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Question 1
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A student records four different experimental measurements, each having the same numerical value of 2.5 but with different SI prefixes:

  • A time interval of 2.5 ns2.5\text{ ns}2.5 ns
  • A capacitance of 2.5 μF2.5\text{ }\mu\text{F}2.5 μF
  • A current of 2.5 mA
  • A potential difference of 2.5 kV2.5\text{ kV}2.5 kV

Which of the following lists these measurements in order of increasing magnitude?

A

potential difference, current, capacitance, time interval

B

time interval, capacitance, current, potential difference

C

time interval, current, capacitance, potential difference

D

capacitance, time interval, current, potential difference

Markscheme

Physical quantities and units Questions

  1. A Level
  2. /Physics
  3. /Physical quantities and units

29 exam-style questions on OCR A A Level Physics Physical quantities and units, covering Physical quantities and S.I. units. Each one has a worked solution and a mark scheme showing where the marks go.

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