The spheres are connected by a uncharged teflon rod. what is the charge on the left sphere after the charged plastic rod touches the right sphere?



Answer :

The charge on the left sphere negatively charged.

What is charge?

Due to the physical property of electric charge, charged material experiences a force when it is subjected to an electromagnetic field. You might be electrically positive or negative. While similar charges repel one another, opposite charges attract.

In order for the neutral metal sphere and negatively charged metal rod to have the same potential, some negative charge must flow from the rod to the sphere in order for them to both have negative charges.

The sum of the negative charges in them would be equal to the initial negative charge in the rod since the entire charge is preserved.

As a result, Σq = 0 for the net charge within a conductor. Therefore, if a solid sphere receives a +q charge, it will be dispersed evenly throughout its surface. Inside the sphere, there won't be any charge. As a result, the electric fields will match those of the hollow spherical.

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