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 - VgyanHub

Question:

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

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Options :

(a) 3I * a ^ 2 and I * a ^ 2
(b) 3I * a ^ 2 and 4I * a ^ 2
(c) 4I * a ^ 2 and 3I * a ^ 2
(d) sqrt(3) * I * a ^ 2 and 3I * a ^ 2

Answer :

Ans :- (d) sqrt(3) * I * a ^ 2 and 3I * a ^ 2

Answer Steps :

Step 1:-

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