Question

What is the current flowing through a conductor

if one million electrons are crossing in 1 milli

second through a crosssection of it .

A) 2.5×10-10 A B ) 1.6x 10-10

C )7.5×10-10 A D) 8.2x10-11 A​

Answer 1

Answer:

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Explanation:

Number of electrons $\sf \: n \: = {10}^{6}$

Time of observation $\sf \: t \: = {10}^{ - 3} s$

∴ Current $\sf\:I\:= \frac{nq}{t} = \frac{ {10}^{6} \times 1.6 \times {10}^{ - 19} }{ {10}^{ - 3} } \\ \sf = 1.6 \times {10}^{ - 10}$

OPTION B IS CORRECT

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