Physics Formulas:
Charge, Current & Time


The questions on this page test your ability to use the formula:

Formula for charge, current and time.

You should also learn the formula in the internationally-agreed characters:

International notation of the formula for current and charge

GCSE Physics

Question 1

A current of 2 A flows for 30 seconds through a lamp.
How much charge has moved?

GCSE Physics

Question 2

A current of 12 A flows for 20 minutes into an electric cooker.
How much charge has the cooker used?

GCSE Physics

Question 3

If 18400 C of charge flows through an air conditioning unit every hour, what current does it draw?

GCSE Physics

Question 4

A current of 3 A flows into a television set. For how long would it take 1500 C of charge to flow through it?

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