Question

find out no electron to produce 7.5 C charge
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Answer 1

Answer:

Class 12

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>>A current of 5 A flows through a conduct

Question

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A current of 5A flows through a conductor. Calculate the number of electrons flowing through the conductor in 2s. [Take charge of electron as 1.6×10

−19

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Solution

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Correct option is B)

Total charge that flows in 2s is given by

q=It=5×2=10C

Now, charge on one electron is given by e=1.6×10

−19

C

N= number of electrons

q=Ne

⟹N=

e

q

⟹N=

1.6×10

−19

10

⟹N=6.25×10

19