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Two wires of same length are shaped into...

Two wires of same length are shaped into a square and a circle. If they carry same current, Then ratio of the magnetic moment is

A

`(sqrt2pi^(3))/(32)`

B

`(sqrt2pi^(3))/(64)`

C

`(sqrt2pi^(3))/16`

D

`(sqrt2pi^(3))/8`

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The correct Answer is:
A
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AAKASH SERIES-MOVING CHARGES AND MAGNETISM-EXERCISE-III
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  2. Two long mutually perpendicular conductors carrying currents I1 and I2...

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  3. Two wires of same length are shaped into a square and a circle. If the...

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  7. A 3.0 cm wire carrying a current of 10 A is placed inside a solenoid p...

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  8. A closely wound solenoid of 800 turns and area of cross-section 2.5xx1...

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  9. A closely would solenoid of 2000 turns and area of cross-section 1.6xx...

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  11. A solenoid has 10^(3) turns per unit length. On passing a current of 2...

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  18. A galvanometer having a resistance of 50Omega, gives a full scale defl...

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