1.

In the question number 66, the flux through the same square if the line normal to its plane makes a 60^(@) angle with the x-axis is

Answer»

`30NC^(-1)m^(2)`
`10NC^(-1)m^(2)`
`20NC^(-1)m^(2)`
`25NC^(-1)m^(2)`

SOLUTION :When normal to the plane MAKES an angle of `60^(@)` with x-axis, then `theta=60^(@)`
`phi=Escostheta=2xx10^(3)xx10^(-2)cos60^(@)=10NC^(-1)m^(2)`


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