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In a magneic field of 0.05 tesla the are...

In a magneic field of 0.05 tesla the area of a coil changes from 101 `cm^2` to 100 `cm^2`. The resistance of the coil is 2 ohm. The quantity of charge that flows during this period in microcoulomb is

A

2.5

B

10

C

15

D

20

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