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1. Electric Charges and Fields
normal
એક કુલંબ વિદ્યુતભારમાં ઇલેકટ્રોનની સંખ્યા
A
$5.46 \times {10^{29}}$
B
$6.25 \times {10^{18}}$
C
$1.6 \times {10^{19}}$
D
$9 \times {10^{11}}$
Solution
$Q = ne\,\,\, \Rightarrow \,\,\,n = \frac{Q}{e}$
$ \Rightarrow \,\,n = \frac{1}{{1.6 \times {{10}^{ – 19}}}} = 6.25 \times {10^{18}}$
Standard 12
Physics
