Two different materials, rubbed against each other acquired opposite charges when separated. This is an example of charging by? by Sunday | Jan 24 | Physics WAEC | 0 comments A. induction B. friction C. conduction D. convection Correct Answer: Option B B. friction Users Also Read These:When a person holds a negatively charges metal rod…Where the husband and wife mutually agree to termite…The type of nutrition in which two organisms of…A handbag containing some load weighing 162N is…When two flat plate conductors are arranged in such…