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Question

Which of the following statements is not true?

A
Lightning and spark from wollen clothing are essentially the same phenomenon.
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B
When you rub a plastc scale on your dry hair, it acquires a charge.
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C
Charge acquired by a glass rod is negative when it is rubbed with silk.
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D
Static charges are called so, because they donot move by themselves.
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Solution

The correct option is C Charge acquired by a glass rod is negative when it is rubbed with silk.
the glass rod aquires negative charge as it gains elctrons when rubbed with silk.

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