<p>The magnetic flux through a coil perpendicular to its plane is varying according to the relation <math xmlns="http://www.w3.org/1998/Math/MathML"><mi>ϕ</mi><mo>=</mo><mo>(</mo><mn>5</mn><msup><mi>t</mi><mn>3</mn></msup><mo>+</mo><mn>4</mn><msup><mi>t</mi><mn>2</mn></msup><mo>+</mo><mn>2</mn><mi>t</mi><mo>−</mo><mn>5</mn><mo>)</mo></math> Weber. If the resistance of the coil is 5 ohm, then the induced current through the coil at <math xmlns="http://www.w3.org/1998/Math/MathML"><mi>t</mi></math> = 2 sec will be:</p>

The magnetic flux through a coil perpendicular to its plane is varying according to the relation Weber. If the resistance of the coil is 5 ohm, then the induced current through the coil at t = 2 sec will be:

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Solution

Q.
The magnetic flux through a coil perpendicular to its plane is varying according to the relation $ϕ = (5 t^{3} + 4 t^{2} + 2 t - 5)$ Weber. If the resistance of the coil is 5 ohm, then the induced current through the coil at $t$ = 2 sec will be:

Solution

Q.
The magnetic flux through a coil perpendicular to its plane is varying according to the relation $ϕ = (5 t^{3} + 4 t^{2} + 2 t - 5)$ Weber. If the resistance of the coil is 5 ohm, then the induced current through the coil at $t$ = 2 sec will be:

1 15.6 A

2 16.6 A

3 17.6 A

4 18.6 A

Ans.
(1)

$i = \frac{| e |}{R}$

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Solution

Q. The magnetic flux through a coil perpendicular to its plane is varying according to the relation ϕ=(5t3+4t2+2t−5) Weber. If the resistance of the coil is 5 ohm, then the induced current through the coil at t = 2 sec will be:

1 15.6 A

2 16.6 A

3 17.6 A

4 18.6 A

Ans. (1) i=|e|R

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Q.
The magnetic flux through a coil perpendicular to its plane is varying according to the relation $ϕ = (5 t^{3} + 4 t^{2} + 2 t - 5)$ Weber. If the resistance of the coil is 5 ohm, then the induced current through the coil at $t$ = 2 sec will be:

Ans.
(1)

$i = \frac{| e |}{R}$