Published by:
CGP EDU Academic Team
Published on: August 21, 2026
A uniform conducting wire of length 12a and resistance 'R' is wound up as a current carrying coil in the shape of,
(i) an equilateral triangle of side 'a'.
(ii) a square of side 'a'.
The magnetic dipole moments of the coil in each case respectively are:
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
(i) If it is an equilateral triangle of side 'a' no. of triangular
loops formed 
and magnetic moment 
(ii) Side of the square if it is a.
No. of square formed 
Magnetic moment of the square loop is 3a 2 l.
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