Post-UTME Physics 2005 Objective — Question 16
Question 16 of 23 from the Post-UTME Screening (Post-UTME) Physics 2005 Objective paper, with the correct answer and a full explanation.
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Which of the following statements is not correct?
- A. When ebonite rod is rubbed with wool the ebonite rod acquires a negative charge and wool acquires a positive charge
- B. When a glass rod is rubbed with silk the glass rod acquires a positive charge while silk acquires a negative charge
- C. When fur is rubbed with ebonite rod the ebonite rod acquires a positive charge and fur a negative chargeCorrect
- D. When wool rubbed with a nebonit rod is brought near silk rubbed with a glass rod attraction occurs
Explanation
Rubbing fur on ebonite gives the ebonite a NEGATIVE charge (and fur positive), not a positive charge as stated - making this the incorrect statement.
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