The number of electrons for one coulomb of charge are:

6.25 \times 10^{23}

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6.25 \times 10^{21}

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6.25 \times 10^{18}

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6.25 \times 10^{19}

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Solution

The correct option is C $6.25 \times 10^{18}$
1 electron carries a charge of $1.6 \times 10^{- 19}$ coulomb
So, No.of electron in one coulomb
$\frac{1}{1.6 \times 10^{- 19}} = \frac{10^{19}}{1.6} = 6.25 \times 10^{18}$

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Similar questions

One coulomb charge is equivalent to the charge contained in:
(a) $2.6 \times 10^{19}$ electrons
(b) $6.2 \times 10^{19}$ electrons
(c) $2.65 \times 10^{18}$ electrons
(d) $6.25 \times 10^{18}$ electrons

The charge on a body is +1 C. Find the number of electrons in excess or deficit on the body.

Q. If the charge on an electron be

1.6 \times 10^{- 19} C

, how many electrons should pass through a conductor in 1 second to constitute 1 ampere current.

Why 1 coulomb is 6.25*10^18 electrons ?

Q. The frequency of radiation with wavelength 480 nm is:

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The number of electrons for one coulomb of charge are:

The correct option is C 6.25×10181 electron carries a charge of 1.6×10−19 coulomb So, No.of electron in one coulomb11.6×10−19=10191.6=6.25×1018

The correct option is C $6.25 \times 10^{18}$
1 electron carries a charge of $1.6 \times 10^{- 19}$ coulomb
So, No.of electron in one coulomb
$\frac{1}{1.6 \times 10^{- 19}} = \frac{10^{19}}{1.6} = 6.25 \times 10^{18}$