Assertion:When radius of a circular wire carrying current is doubled, its magnetic moment becomes four times. Reason:Magnetic moment is directly proprotional to area of the loop.

Statement 1: When radius of a circular loop carrying current is doubled, its magnetic moment becomes four times. Statement 2: Magnetic moment depends on the area of the loop.

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Assertion If radius of cylinderical wire is doubled, then this wire can bear four times stress. Reason By doubling the radius, area of cross-section will become four times.

Assertion:When radius of a circular wire carrying current is doubled, its magnetic moment becomes four times.
Reason:Magnetic moment is directly proprotional to area of the loop.

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Magnetic field at the centre of a circualr loop of area A carrying current I is B. What is the magnetic moment of this loop?

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