Multiple choice Why are handles of screwdrivers and testers made of plastic? Because plastics have good tensile strength Because plastics are bad conductors of electricity Because plastics are good conductor of heat and electricity Because plastics are flexible Reveal answer Fill a bubble to check yourself B Correct answer Explanation Handles of screwdrivers and testers should be made of such materials, which do not allow current to pass through them. Otherwise, we may get an electric shock. Plastics are bad conductors of electricity.