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Question
When plastic comb is rubbed against dry hair, the plastic comb becomes negative and dry hair becomes positive
When plastic comb is rubbed against dry hair, the plastic comb becomes negative and dry hair becomes positive
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Solution
The correct option is A True
Answer is A.
Every object has a 'normal' amount of electricity that can be transferred from one object to the other when two objects are in close contact, as when they are rubbed together.
When the plastic comb is pulled through hair, it acquires a negative charge. That is, it picks up more electrons than it had before. The hair losses its electrons to the plastic comb and acquires positive charge.
Hence, the statement is true.
Answer is A.
Every object has a 'normal' amount of electricity that can be transferred from one object to the other when two objects are in close contact, as when they are rubbed together.
When the plastic comb is pulled through hair, it acquires a negative charge. That is, it picks up more electrons than it had before. The hair losses its electrons to the plastic comb and acquires positive charge.
Hence, the statement is true.
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