Question

A current of 4a is maintained in wire for 10s. How many electrons flow through the wire?​

Answer 1

current = charge / time

here current (I) = 4A

time (t ) = 10 second

so charge = current × time

= 10×4 = 40 coulomb

number of electrons = total charge / charge of one electron

so number of electrons= 40/1.6 × 10 power -19

= 0.04 × 10 power -19

Answer 2

Explanation:

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