Question

If i is the current through a wire and e is the charge of an electron then the number of electrons crossing in t seconds will be given by

Answer 1

current = charge/time or i=q/t

q=ne=no. of electrons x charge of electron

i=ne/t

n=it/e

No of electrons = (current x time)/charge of electron = 6.25 x 10¹⁸(it)

Answer 2

Answer: n

Here,

I= Current

t = Time

e = Charge of electron

n = Number of electrons

We know,                         Q = ne

                                         Q = It

                                        ne = It

Number of electrons = n =

From the formula, we can understand that the number of electrons passing in the time t is responsible for the amount of current flowing through the wire at a particular time.

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