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?

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Asked Nov 4, 2019
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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?

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Expert Answer

Step 1

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

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Step 2

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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Electromagnetic Induction

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