1.

The electrical potential on the surface of a sphere of radius 'r' due to a charge 3 xx 10^(-6) C is 500 V. The intensity of electric field on the surface of the sphere is [(1)/( 4 pi in_0 ) = 9 xx 10^9Nm^2C^(-2)] ( inNC-1):

Answer»

`lt 10`
`GT 20`
BETWEEN10 and 20
`gt 5`

Answer :A


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