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Calculate the current induced in the coil of resistance 100 Ohm when the magnetic flux decreases from 1wb to 0.1 wb in 0.1 s.

Calculate the current induced in the coil of resistance 100 Ohm when the magnetic flux decreases from 1wb to 0.1 wb in 0.1 s.
 
 

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Grade:12

1 Answers

Ankit Kumar
13 Points
15 days ago
As we know that the induced emf is defined as the rate of change of magnetic flux so,
emf = -d(mag. flux)/dt 
        = -(0.1-1)/0.1 ie. final - initial
        = 9 volt
So current induced = induced emf / resistance
    = 9/100
    = 90 mA 

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