When a positively-charged body is brought near an uncharged metal rod, the part of the rod near the charged body acquires a negative charge, and the far side a positive charge. Can you say why this happens? Remember that in a body, negative charges are mobile whereas positive charges are fixed.

Open in App

Solution

When a positively charged body is brought near an uncharged metal rod, the part of the rod near the charged body acquires a negative charge because of the process of induction. The positively charged body attracts the negative charges, i.e., electrons towards it. The negative charges get accumulated near the end of the metal rod. The far end of the rod becomes positively charged because of the deficiency of negative charges.

Suggest Corrections

Similar questions

What will happen to the leaves of electroscope if positively charged body is brought near (a) uncharged electroscope (b) positively charged electroscope (c) negatively charged electroscope ?

Q. On rubbing a glass rod with a silk cloth why is it that the glass rod will acquire positive charge whereas the silk cloth gets negative charge and not the other way round ,why can't the glass rod get negatively charged and the silk cloth positively charged ?

Q. To test if a body is charged or not you will use
a. Another uncharged body
b. A positively charged body
c. A negatively charged body
d. A positively and negatively charged body

and why?

Q. You are provided with a negatively charged gold leaf electroscope. State and explain what happens when an uncharged metal rod is brought near the disc of electroscope.

Q. An electroscope is charged by induction using a negatively-charged body. What charge will the electroscope acquire − positive or negative?

Join BYJU'S Learning Program