Question detail

A circuit has a current of 2 A for 10 s. Calculate the charge flow.

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Topic

Current, potential difference and resistance

Question

A circuit has a current of 2 A for 10 s. Calculate the charge flow.

20 C charge flow

Use Q = I x t. Substituting 2 A and 10 s gives Q = 2 x 10 = 20 C, so the charge flow is 20 C.

Electrical charge and current common mistake 1

Giving a vague answer instead of directly addressing: Recall and apply the equation Q = I x t..

Answer by clearly explaining how to recall and apply the equation Q = I x t..

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