A 31.0-cm long solenoid 1.25 cm in diameter is to produce a field of 4.60 mT at its center. Part A How much current should the solenoid carry if it has 945 turns of the wire? Express your answer using three significant figures and include the appropriate units.

A 31.0-cm long solenoid 1.25 cm in diameter is to produce a field of 4.60 mT at its center. Part A How much current should the solenoid carry if it has 945 turns of the wire? Express your answer using three significant figures and include the appropriate units.

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter12: Sources Of Magnetic Fields

Section: Chapter Questions

Problem 64P: A solenoid with an iron core is 25 cm long and is wrapped with 100 turns of wire. When the current...

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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 31.0-cm long solenoid 1.25 cm in diameter is to
produce a field of 4.60 mT at its center.
Part A
How much current should the solenoid carry if it has 945 turns of the wire?
Express your answer using three significant figures and include the appropriate units.
I=
μÃ
Value
Submit
Request Answer
Units
?

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