Two point charges of unknown magnitude and sign are at a certain distance apart. This electric field strength is zero at a point not between them but on the line joining them. Comment on the sign of charges and locate the point.

Two point charges of unknown magnitude and sign are at a certain dista

1.	Two point charges of unknown magnitude and sign are at a certain distance apart. This electric field strength is zero at a point not between them but on the line joining them. Comment on the sign of charges and locate the point.
Answer» Two essential conditions for this to happen is: i) Both charges cannot be of the same sign. ii)The point where electric field intensity has to be 0 is closer to the smaller charge as compared to the charge larger in magitude.

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Two point charges of unknown magnitude and sign are at a certain distance apart. This electric field strength is zero at a point not between them but on the line joining them. Comment on the sign of charges and locate the point.

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