There are 5 equal charges. 4 of those charges are placed at each corner of a square & 1 is placed in the middle.

What will be the force value in the middle of the square? a) More than the force at the corners or b) less than the force at the corners Value of the force in the middle:______________________

What happens to the force in the middle, if one of the charges at the corner is lost? a) Increase or b) decrease

What happens to the force in the middle, if the two opposite diagonal charges disappear?

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