1.

Unit and dimensional formula of surface charge density are.......

Answer»

`Cm^(2), M^(0)L^(2)A^(1)T^(1)`
`Cm^(-2),M^(0)L^(2)A^(1)T^(-1)`
`Cm^(-2), M^(0)L^(-2)A^(1)T^(1)`
`C^(-1)m^(2),M^(0)L^(-2)A^(1)T^(1)`

Solution :Surface CHARGE DENSITY `sigma =q/A, therefore` Unit = `Cm^(-2)`and dimensional formula:
`|sigma| = |q|/|A| = |A^(1)T^(1)|/|L^(2)| = M^(0)L^(-2)A^(1)T^(1)`


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