A solenoid of lenght 40 cm has 360 turns of radius 2.8 cm. A tightly wound coil with 8 turns of radius 6 cm is placed around the solenoid. The axes of the coil and solenoid coincide. Find the emf induced in the coil if the current in the solenoid varies according to I = 6sin(120Tt) A. 74.6496 cos(120rt) mV

A solenoid of lenght 40 cm has 360 turns of radius 2.8 cm. A tightly wound coil with 8 turns of radius 6 cm is placed around the solenoid. The axes of the coil and solenoid coincide. Find the emf induced in the coil if the current in the solenoid varies according to I = 6sin(120Tt) A. 74.6496 cos(120rt) mV

Physics for Scientists and Engineers with Modern Physics

10th Edition

ISBN:9781337553292

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter31: Inductance

Section: Chapter Questions

Problem 4P

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Concept explainers

Electromagnets

The word "electromagnet" is composed of two words, ‘electro’ and ‘magnet’. It is a type of magnet in which an electric current helps in the generation of a magnetic field. Electromagnets usually consist of two major parts, wire and a coil around which the wire is wound. This is called a solenoid. When an electric current is allowed to pass through the coiled wire, the electric current produces a magnetic field. This magnetic field is present only when current is passing through the wire.

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i posted this questio many times and nobody got it right please help

A solenoid of lenght 40 cm has 360 turns of radius 2.8 cm. A tightly wound coil with 8 turns of radius 6 cm is placed around the solenoid.
The axes of the coil and solenoid coincide. Find the emf induced in the coil if the current in the solenoid varies according to
I =
6sin(120Tt) A.
74.6496
cos(120rt) mV

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