Question

if a current of 5 MILLIAMPERS flow through a conductor for 10 seconds. calculate charge flows​

Answer 1

Total charge that flows in 10s is given by

q=It=5*10 ^-3×10=0.05C

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 ^−19/0.05

⟹N = 3.2e-18

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