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A coil 3.65 cm radius, containing 560 turns, is placed in a uniform magnetic field that varies with time according to B=( 1.20×10^−2 T/s)t+( 3.05×10^−5 T/s4)t^4. The coil is connected to a 600-Ω resistor, and its plane is perpendicular to the magnetic field. You can ignore the resistance of the coil.
What is the current in the resistor at time t0 = 4.50 s ?I got the correct induced emf value:
E= 2.81×10^−2 V +( 2.86×10^−4 V/s3 )t^3
I've tried plugging in 4.5s into the emf equation and then dividing I = V/R but the answer is incorrect.
What is the current in the resistor at time t0 = 4.50 s ?I got the correct induced emf value:
E= 2.81×10^−2 V +( 2.86×10^−4 V/s3 )t^3
I've tried plugging in 4.5s into the emf equation and then dividing I = V/R but the answer is incorrect.