A glass rod is rubbed with silk and a steel rod is rubbed with hair. Both rods are then3)brought close to each other without touching. Which rod will be more negative andwhy?

Answered: A glass rod is rubbed with silk and a…

A glass rod is rubbed with silk and a steel rod is rubbed with hair. Both rods are then brought close to each other without touching. Which rod will be more negative and why?

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Question

A glass rod is rubbed with silk and a steel rod is rubbed with hair. Both rods are then
3)
brought close to each other without touching. Which rod will be more negative and
why?

Expert Solution

Step 1

When a glass rod is rubbed with silk, some of the electrons are removed from the glass rod and it gets positively charged. However, a metallic substance like steel cannot be charged by rubbing. The redistribution of electrons takes place in the metal lattice and makes it electrically neutral when we try charging by friction.