1.

The dimension formula of the magnetic field intensity B is ______ .

Answer»

`ML^(-2)A^(-1)`
`MT^(-2)A^(-1)`
`M^(2)TA^(-2)`
`M^(2)LT^(-2)A^(-1)`

SOLUTION :`F=BIlrArrB=F/(IL)`
`therefore` The dimension formula of,
`B=("(Dimenstion formula of F)")/("(Dimension formula of I)(Dimenstion formula of l)")`
`=(M^(1)L^(1)T^(-2))/(A^(1)L^(1))`
= `MT^(-2)A^(-1)`


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