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A \(2\) amp current is flowing through two small circular copper coils having radii ratio \(1:2\). The ratio of their re…

Q1

A \(2\) amp current is flowing through two small circular copper coils having radii ratio \(1:2\). The ratio of their respective magnetic moments will be

a

\(2:1\)

b

\(4:1\)

c

\(1:4\)

d

\(1:2\)

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