Q 2014878759.     A toroid of n turns, mean radius R and cross-sectional radius a carries
current I. It is placed on a horizontal table taken as xy-plane. Its magnetic
moment m

NCERT Exemplar 05/01/mcq
A

is non-zero and points in the z-direction by symmetry

B

points along the axis of the toroid (`m = m phi`)

C

is zero, otherwise there would be a field falling as `1/r^3` at large distances outside r the toroid

D

is pointing radially outwards

Solution for all Exemplar Problems of Physics Class 12 Chapter 5- MAGNETISM AND MATTER

Free pdf Download

Exemplar

Today's Score

0
Success Rate: NAN %

Practice & Test

Sr. No.SubjectTagCorrectRecorded Answer