Answered: A solenoid 150 cm long has a radius of…

A solenoid 150 cm long has a radius of 4 cm. Approximately how many turns are needed to make the solenoid have a self-inductance of 0.002 H? 689 turns 975 turns 9746 turns 6892 turns

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter14: Inductance

Section: Chapter Questions

Problem 34P: A solenoid of N1turns has length l1and radius R1, and a second smaller solenoid of N2turns has...

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Concept explainers

Magnetic Field Of Coaxial Cable

The word coaxial means same axis. So for a long straight cable to be coaxial, it must have concentric cylindrical shaped conductor around it. Coaxial cable (popularly called ‘coax’) has various applications ranging from current conductors to radiofrequency signal transmitters. This cable has lower emission losses and provides protection from electromagnetic interference which allows signals with less power to transmit over longer distances.For example, currents produced in the pickup of a stereo turntable generally travel to the amplifier through a coaxial cable.The self-inductance of a coaxial cable is another important characteristic, because it influences the propagation of electrical signals in the cable.

Question

A solenoid 150 cm long has a radius of 4 cm. Approximately how many turns are needed to make the solenoid have a self-inductance of 0.002 H?

689 turns

975 turns

9746 turns

6892 turns

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