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Electric charge

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Question 5

An ion source produces a beam of doubly-charged magnesium ions (Mg2+\text{Mg}^{2+}Mg2+). The current of the beam is 4.8 μA4.8\,\mu\text{A}4.8μA.

How many magnesium ions strike a target in a time interval of 5.0 minutes5.0\text{ minutes}5.0 minutes?

A

7.5×10137.5 \times 10^{13}7.5×1013

B

4.5×10154.5 \times 10^{15}4.5×1015

C

9.0×10159.0 \times 10^{15}9.0×1015

D

1.5×10141.5 \times 10^{14}1.5×1014

Markscheme

Electric charge Questions

  1. IGCSE
  2. /Physics
  3. /Electric charge

31 exam-style questions on Edexcel IGCSE Physics Electric charge. Each one has a worked solution and a mark scheme showing where the marks go.

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