1.

(A) : When radius of circular loop carrying current is doubled, its magnetic moment becomes four times (R) : Magnetic rnoment depends on area of the loop

Answer»

Both 'A' and 'R' are TRUE and 'R' is the CORRECT explanation of 'A'.
Both 'A' and 'R' are true and 'R' is not the correct explanation of 'A'
'A' is true and 'R' is FALSE
'A' is false and 'R' is false

Answer :A


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