Question 8 Electric field terminates at.. Negative charge Positive charge Both positive and negative Neither positive nor negative

a). Explain the difference between an electrical conductor and an electrical insulator. (b). Give an example material/object of a conductor and an insulator.

1) One theory about charging insulators is called adhesion. Look this up and explain (in about 3-4 sentences) why charge transfers between two insulators that are rubbed together. 2) Describe what happens to the charge on a neutral metal sphere if a charged rod is brought near (but not touching) the sphere. 3) Does the sphere in the previous question remain neutral?