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Chapter 21: Problem 24

When a positively charged rod is brought close to a neutral conductor without touching it, will the rod experience an attractive force, a repulsive force, or no force at all? Explain.

Short Answer

Expert verified
Answer: The positively charged rod experiences an attractive force when brought near a neutral conductor without touching it. This is due to the redistribution of charges in the neutral conductor through the process of induction, which attracts the charged rod to the negatively charged side of the conductor.

Step by step solution

01

Understanding Induction

Induction is the process of redistributing the charges on a neutral object, due to the presence of a nearby charged object. When a positively charged rod is brought near a neutral conductor, the electrons in the conductor will be attracted towards the side of the conductor that is close to the charged rod, leaving the other side of the conductor positively charged.
02

Identifying the Forces

After the redistribution of charges due to induction, the side of the conductor near the charged rod will be negatively charged, while the opposite side will be positively charged. As opposite charges attract and like charges repel, the positively charged rod will experience an attractive force due to the negative charges on the nearby side of the conductor.
03

Conclusion

The positively charged rod will experience an attractive force when brought close to a neutral conductor without touching it. This is because of the redistribution of charges in the conductor through the process of induction, which results in attracting the charged rod towards the conductor.

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