Question

2, Two copper wires A and B of the same length
and same diameter are shaped into a square and
a circle respectively. If the wires in these forms
carry the same current, then the ratio of the
magentic moment of A to that of B is[2016(A)
(i) 1:4
(ii) 1:2
(iii) 2:1
(iv) 4:1
closed circuit is formed​

Answer 1

Answer:

This is the answer of your question.