Failed to connect to MySQL: Access denied for user 'examnext_online'@'localhost' (using password: YES) A coil of resistance 400 `Omega` is placed in magnetic field. If the magnetic flux `phi`(Wb) linked with the coil varies with time t(s) as `phi= 50t^2 + 4` . The current in the coil at t = 2 s is - Sarthaks eConnect
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A coil of resistance 400 `Omega` is placed in magnetic field. If the magnetic flux `phi`(Wb) linked with the coil varies with time t(s) as `phi= 50t^2 + 4` . The current in the coil at t = 2 s is

A.

0.5 A

B.

0.1 A

C.

2 A

D.

1 A