Question

If radius of coil becomes two times and current becomes half then magnetic field at centre of the coil will be : - A. Two times B. Four times C. Half D. One fourth

Name: if radius of coil becomes two times and current becomes half then magnetic field at centre of the coil will be a two times b four times c half d one fourth 35768
Uploaded: 2022-06-22T17:24:23-08:00
Duration: 1 min 6 s
Channel: Ankur S
Description: if radius of coil becomes two times and current becomes half then magnetic field at centre of the coil will be a two times b four times c half d one fourth 35768

          If radius of coil becomes two times and current becomes half then magnetic field at centre of the coil will be : -
A. Two times
B. Four times
C. Half
D. One fourth

Added by Melissa M.

University Physics with Modern Physics

Hugh D. Young 14th Edition

Instant Answer

Solved by Expert Ankur S

06/22/2022

Step 1

Step 1: Understand the formula for the magnetic field at the center of a circular coil, which is given by \(B = \frac{\mu_0 I}{2R}\), where \(B\) is the magnetic field, \(\mu_0\) is the permeability of free space (a constant), \(I\) is the current through the coil, Show more…

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If radius of coil becomes two times and current becomes half then magnetic field at centre of the coil will be : - A. Two times B. Four times C. Half D. One fourth