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Question

If a charge of 750 C flows through the cross-section of a conducting wire in 5 minutes, what is the value of the current that flows through the wire?

A
1.42 A
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B
2.5 A
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C
2 A
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D
1.5 A
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Solution

The correct option is B 2.5 A
Given:
The charge flowing through the wire, Q=750 C
Time for which the charge flows throught the wire,
t=5 minutes
t=5×60=300 s

From the definition of current,
I=Qt
I=750300=2.5 A

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