You are required to design an air-filled solenoid of inductance 0.016 Η having a length 0.81 m and radius 0.02 m. The number of turns in the solenoid should be
(A) 2592
(C) 2976
(B) 2866
(D) 3140

Correct Answer : Option (B) 2866

More Questions : In the figure curved lines represent equipotential surfaces. A charge Q is moved along different paths A, B, C and D. The work done on the charge will be maximum along the path

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