Three of the statements are true. 'D' is false.
Glass and rubber are excellent insulators, total duds as conductors.
The two spheres have opposite charges.
<h3 /><h3 /><h3>What are types charge?</h3>
- A charge can be negatively charged or positively charged.
- When two charges have opposite signs, that is positive and negative signs, the two charges will attract each other.
- When the two charges have the same sign, it causes repulsion.
When a positive charge points downwards ↓ and the negative charge points upwards ↑, this causes attraction and shows that the two charges are different.
Thus, we can conclude that the two spheres have opposite charges.
Learn more about attraction and repulsion of charges here: brainly.com/question/2396080
It must have a medium. It must travel in empty space. Mechanical waves are waves which needs medium of propogation.
If I am correct a <span>child holds a toy above her head and then lets it fall to the ground. </span>
