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- 1. Multiple ChoiceWhat types of charges repel?Positive and PositivePositive and NeutralNegative and NeutralNeutral and Neutral
- 2. Multiple ChoiceIf a substance has a higher number of electrons than protons on its surface, what type of charge does it have?A positive charge.A negative charge.A neutral chargeNo charge at all
- 3. Multiple ChoiceThe closer the charges, the ___________ the force between themcloserfurtherstrongerweaker
- 4. Multiple Choice
A balloon has a negative charge. The glass rod has a positive charge. What will happen when the glass rod is brought near the balloon?The balloon will be attracted to the rodThe balloon will be repelled by the rodThe balloon will remain in placeThe balloon will spin in circles - 5. Multiple ChoiceWhich is NOT an insulator.WoolPlasticCopperGlass
- 6. Multiple ChoiceWhat is the difference between a conductor and an insulator?An insulator allows electricity to flow through it easily and a conductor does notA conductor allows electricity to flow through it easily and an insulator does not.An insulator is magnetic and a conductor is notA conductor is magnetic and an insulator is not
- 7. Multiple Choice
The electrical wires in many homes are made of copper and covered with plastic. Why are copper and plastic good choices for electrical wires?
Copper is a conductor of electricity, and plastic is an insulator of electricity.
Copper is an insulator of electricity, and plastic is a conductor of electricity.
Copper is a conductor of electricity, and plastic is an insulator of heat.
Copper is an insulator of electricity, and plastic is a conductor of heat.
- 8. Multiple ChoiceConsider the electric field lines shown in the diagram below. From the diagram, it is apparent that object A is ____ and object B is ____.+,++,--,+-,-
- 9. Multiple ChoiceWhat three things can't conduct electricity?rubber,wood,goldfabric,wood,rubbercold glass, wood, deercoffe,tin,book
- 10. Multiple ChoiceRubbing a balloon on hair is an example of static charge build up created by....conductionfrictioninductionhairduction
- Answer choicesTagsAnswer choicesTags