When there is 1 pos. & 1 neg. charge we are sure that the dir. of the electric field is from (+)ve to (-)ve.. But when both are positive or both are negative how exactly do we find the direction ??
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When there is 1 pos. & 1 neg. charge we are sure that the dir. of the electric field is from (+)ve to (-)ve.. But when both are positive or both are negative how exactly do we find the direction ??