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:Which of the following food substances would produce…An object is placed between two mirrors which are…WHAT ARE THE TWO METHODS OF CHARGING A LEAD-ACID…The charging of different prices to different group…The diagram above illustrates two waves of equal…