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3.1 Static and charge

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Question 21
H

A spark transfers a charge of 6.0 μC6.0\ \mu\text{C}6.0 μC in 0.20 ms.

What is the mean current in the spark?

[1]
A

30 A30\ \text{A}30 A

B

3.0×10−5 A3.0 \times 10^{-5}\ \text{A}3.0×10−5 A

C

0.030 A0.030\ \text{A}0.030 A

D

1.2×10−9 A1.2 \times 10^{-9}\ \text{A}1.2×10−9 A

Markscheme

3.1 Static and charge Questions

  1. GCSE
  2. /Physics
  3. /3.1 Static and charge

43 exam-style questions on OCR GCSE Physics 3.1 Static and charge, covering 3.1.1 Positive and negative charge, 3.1.2 Static electricity and forces between charged objects, 3.1.3 Electron transfer and static electricity, 3.1.4 Electric fields, 3.1.5 Current as a flow of charge, 3.1.6 Current in a single closed loop, and 3.1.7 Charge, current and time. Each one has a worked solution and a mark scheme showing where the marks go.

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