Whether the hair remain neutral or not if the comb become negatively charged.
Answer to Problem 24A
No, the hair will also become positively charged in order to conserve the charge.
Explanation of Solution
Introduction:
When two neutral objects are rubbed with each other, then transfer of charges between them occur due to which one object gains positive charge while the other gains negative charge.
When the hairs are combed on a dry day, then the comb becomes negatively charged and the hair becomes positively charged since the charges are always remain conserved. So, charge gained by one object should be lost by another object in order to conserve the charge.
Conclusion:
Thus, the hair will become positively charged.
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