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2 answers:
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Answer:
Induced current, I = 0.5 A
Explanation:
It is given that,
number of turns, N = 20
Area of wire,
Initial magnetic field,
Final magnetic field,
Time taken, t = 2 s
Resistance of the coil, R = 0.4 ohms
We know that due to change in magnetic field and emf will be induced in the coil. Its formula is given by :
Where
Let I is the induced current in the wire. It can be calculated using Ohm's law as :
I = 0.5 A
So, the magnitude of the induced current in the coil is 0.5 A. Hence, this is the required solution.