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Social ScienceA 750-turn solenoid, 23 cm long, has a diameter of 2.7 cm . A 11-turn coil is wound tightly around the center of the solenoid. If the current in the solenoid increases uniformly from 0 to 4.3 A in 0.60 s , what will be the induced emf in the short coil during this time?
A 750-turn solenoid, 23 cm long, has a diameter of 2.7 cm . A 11-turn coil is wound tightly around the center of the solenoid. If the current in the solenoid increases uniformly from 0 to 4.3 A in 0.60 s , what will be the induced emf in the short coil during this time?
Expert Answer
Consider the number of turns of the solenoid be N, the radius of the solenoid be r, the length of the solenoid be L, the cross-sectional area of the solenoid be A, and the number of turns of the short coil be Nsc.
The given values are,
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N 750 10 m = 23 x10 L 23 cm 23 cm m 1 cm 10 m d 2.7 cm - 1.35x10 m = 1.35 cm 2 =_= 2 1 cm T(1.35x102 m) =5.725x 10 m2 A = r2
Write the expression for the magne...
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B-MoNI L (4,T x10 N/A2)(750) (4.3 A) 23x10 m 1 T =1.76x 10 N/A -m 1 Ν/A m, = 1.76x 10 T
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