Question

Construct a list of five common materials such that if a material "lower" on the list is rubbed against a material "higher" on the list, then the charge on the "higher" listed material is always positive.

Answer 1

Step-by-step explanation:

glass , wool , hair , silk , ebonite , rubber

On this series , material lower on the list acquires negative charge when rubbed with material on the upper end of the list.