Question

calculate the current flowing through the wire if 30 electrons are passing through its cross section in 1 second​

Answer 1

the current will be 48 into 10 raise to power minus 19 ampere

Answer 2

Given that,

Number of electrons, n = 30

Time, t = 1 s

To find,

Electric current passing through the wire.

Solution,

The electric charge per unit time is called electric current. It is given by :

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

Since, q = ne

$I=\dfrac{ne}{t}\\\\I=\dfrac{30\times 1.6\times 10^{-19}}{1}\\\\I=4.8\times 10^{-18}\ A$

So, the current of $4.8\times 10^{-18}\ A$ is passing through the wire.

Learn more,

Electric current

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