A solenoid of length 30 cm with 10 turns per centimeter and area of cross-section 40 cm² completely surrounds another co-axial solenoid of same length, area of cross- section 20 cm² with 40 turns per centimeter. The mutual inductance of the system is Find

A solenoid of length 30 cm with 10 turns per centimeter and area of cross-section 40 cm² completely surrounds another co-axial solenoid of same length, area of cross- section 20 cm² with 40 turns per centimeter. The mutual inductance of the system is Find

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter13: Electromagnetic Induction

Section: Chapter Questions

Problem 89CP: A long solenoid of radius a with n turns per unit length is carrying a tune-dependent current...

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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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