5. Two similar coils of radius R are lying concentrically with their planes at right angles to each other. The currents flowing in them are I and 21, respectively. The resultant magnetic field induction at the centre will be

5. Two similar coils of radius R are lying concentrically with their planes at right angles to each other. The currents flowing in them are I and 21, respectively. The resultant magnetic field induction at the centre will be

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter13: Electromagnetic Induction

Section: Chapter Questions

Problem 47P: Calculate the induced electric field in a 50-tuni coil with a diameter of 15 cm that is placed in a...

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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

5. Two similar coils of radius R are lying concentrically
with their planes at right angles to each other. The
currents flowing in them are I and 21, respectively.
The resultant magnetic field induction at the centre
will be
(a)
(c)
√5μ₂1
2R
моя
2R
(b)
(d)
змо
2R
Mo I
R

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