A magnetic field of 2xx10^(-2)T acts at ...

A magnetic field of `2xx10^(-2)T` acts at right angles to a coil of area `100cm^(2)` with `50` turns. The average emf induced in the coil is `0.1V`, when it is removed from the field in time `t`. The value of `t` is

10 s

0.1s

0.01s

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