Question

A particular point on a wire has a constant 250 mA250mA of current flowing through it. How much charge has passed through that point in the wire in 4 seconds? Select all possible correct answers.

Answer 1

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Answer 2

The charge has passed through that point in the wire in 4 seconds is 1 coulomb.

Explanation:

Given that,

Current flowing on a wire at a particular point, $I=250\ mA=250\times 10^{-3}\ A$

We need to find the charge has passed through that point in the wire in 4 seconds. Electric current is defined as the rate of change of electric charge. It is given by :

$I=\dfrac{q}{t}$

$q=I\times t$

$q=250\times 10^{-3}\ A\times 4\ s$

q = 1 coulomb

So, the charge has passed through that point in the wire in 4 seconds is 1 coulomb. Hence, this is the required solution.

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Electric current

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