During a lightning burst

PHYSICS · Single correct · A Level · Physics · Electricity · Electricity

Problem

During a lightning burst,

6\,\text{C}

of charge flows uniformly in the first

0.5\,\text{ms}

and another

2\,\text{C}

flows uniformly in the next

1.0\,\text{ms}

. Find the average current for the entire

1.5\,\text{ms}

interval. (a)

7.0\,\text{kA}

(b)

5.3\,\text{kA}

(c)

3.2\,\text{kA}

(d)

4.0\,\text{kA}

Related theory

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