The magnetic field in the cylindrical re...

The magnetic field in the cylindrical region shown in figure increase at a constant rate of `20mT//sec`. Each side of the square loop `ABCD` has a length of `1 cm` and resistance of `4Omega`. Find the current in the wire `AB` if the switch `S` is closed

`1.25 xx10^(-7) A`, (anti-clockwise)

`1.25xx10^(-7) A` (clockwise)

`2.5xx10^(-7) A` (anti clockwise)

`2.5xx10^(-7) A` (clockwise)

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