Question

if two pens made of the same material are rubbed against dry hair and brought close to each other , will they attract or repel each other ?​

Answer 1

THANKS FOR THE QUESTIONS

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DEPENDS UPON THE MATERIAL BY WHICH THE PENS ARE MADE.....

if it is made up of plastics both will ripple as they both acquired same charges.

Answer 2

the attraction and repeltion depends on the material of the pens