A negatively charged object has ........ electrons
If an object made of substance A is rubbed with an object made of substance B, then A becomes positively charged and B becomes negatively charged. If, however, an object made of substance A is rubbed against an object made of substance C, then A become negatively charged. What will happen if an object made of substance B is rubbed against an object made of substance C?
A negatively charged object repels another charged object held near it. What is the nature of charge on the other object ?