The magnetic flux through a coil perpendicular to its plane is varying according to the relation $\phi=\left(5 t^3+4 t+2 t\right.$ - 5) Weber. If the resistant of the coil is 5 ohm, then the induced current through the coil at t = 2 sec will be:
Select the correct option:
A
15.6 A
B
16.6 A
C
17.6 A
D
18.6 A
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Solution
The magnetic flux through a coil perpendicular to its plane is varying according to the relation $\phi=\left(5 t^3+4 t+2 t-5\right)$ Weber. If the resistant of the coil is 5 ohm, then the induced current through the coil at t = 2 sec will be:
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