Name and define the SI unit of current. Calculate the number of electrons that flow through a conductor in $1$ second to constitute a current of $1$ ampere. (Charge on an electron $=1.6 \times 10^{-19}$ coulomb)
Name and define the SI unit of current. Calculate the number of electrons that flow through a conductor in $1$ second to constitute a current of $1$ ampere. (Charge on an electron $=1.6 \times 10^{-19}$ coulomb)
The unit of current is ampere. One ampere is the current which flows through a conductor of $1$ ohm under a potential difference of $1$ volt.
The unit of current is ampere. One ampere is the current which flows through a conductor of $1$ ohm under a potential difference of $1$ volt.
$n=\frac{q}{e}=\frac{I \times t}{e}$
$=\frac{1 A \times 1 s }{1.6 \times 10^{-19} C }=6.25 \times 10^{18}$
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