question_answer

A conducting circular loop made of a thin wire, has area \[3.5\,\,\times \,\,{{10}^{-3}}\,{{m}^{2}}\] and resistance 100. It is placed perpendicular to a time dependent magnetic field \[B\left( t \right)=\left( 0.4T \right)sin\left( 50\pi t \right)\]. The field is uniform in space. Then the net charge flowing through the loop during \[t\,\,=\,\,0\] s and \[t\,\,=\,\,0\] ms is close to:[JEE Main 09-Jan-2019 Morning]

A)             6 m C

B) 14 m C

C)             7 m C

D) None of these

Correct Answer: D

Solution :

[Bonus]

At

= 0.14 mC.