1) Insulators can be charged a) By plugging them into mains electricity supply b) By placing them in a changing magnetic field c) By friction d) Never 2) When two insulators rub together, what is transferred from one to the other? a) Protons b) Neutrons c) Electrons d) Volts 3) An insulator can gain a positive charge by a) Gaining protons b) Gaining electrons c) Losing protons d) Losing electrons 4) An insulator can gain a negative charge by a) Gaining protons b) Gaining electrons c) Losing protons d) Losing electrons 5) A negatively charged object can attract a) Another negatively charged object b) A positively charged object c) Any other object d) No other object 6) A positively charged object can attract a) A negatively charged object b) An uncharged object c) Any other object d) A positively charged object 7) Electrostatic charge can be dangerous when putting fuel into an aircraft because a) Electrostatic fuel will make the aircraft go too fast b) The aircraft will not be able to stop c) A spark can cause a fire d) Electrostatic fuel will not burn properly 8) Electrostatic charge is used to make a) A photocopier work b) Lightbulbs brighter c) High power generators d) Computers safe 9) To negatively charged objects will a) repel each other b) attract each other c) have no effect on each other 10) To positively charged objects will a) repel each other b) attract each other c) have no effect on each other

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