Answer :



The expression of current through the wire is

i = i0 + αt

where i0=10A, time for which current passes, t= 10s, and a=4 As–1

Formula Used:

For a given current i, the charge q is expressed as


For the given expression of current, charge q is,


On integration,

By substituting the given values,

Hence, the charge crossed through a section of the wire in 10 seconds is 300C.

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