# Electricity Pretest SurveyExit this survey >>

## 1. Default Section

1. Which of the follwing natural phenomenon demonstrate force fields over a distance?
 Which of the follwing natural phenomenon demonstrate force fields over a distance?   a) electricityb) gravityc) magnetismd) all these exihbit force fields
2. For a material to become magnetic what must occur?
 For a material to become magnetic what must occur?   a) its atoms must be heatedb) its atoms must all align in the same directionc) its atoms must be metald) its atoms must have an electric charge
3. Which of the following is true of electric charges?
 Which of the following is true of electric charges?   a) opposite charges attract and likes repelb) neutral charges have equal positive and negative chargesc) losing electrons makes a positive charged) all the above are true
4. Which 3 materials below would be enough to build a simple electric circuit?
 Which 3 materials below would be enough to build a simple electric circuit?   a) string, bulbs, batteryb) string, bulbs, copper wirec) copper wire, bulbs, batteryd) none of these would be enough
5. What is true about a neutral charge?

 What is true about a neutral charge?   a) they are mostly negative chargesb) have equal positive and negative chargesc) attract to positive & negative chargesd) both b and c are true of neutral charges
6. Where do magnets show the greatest strength of force?
 Where do magnets show the greatest strength of force?   a) in the middle sectionsb) at the north polec) at the south poled) at both north and south poles
7. What measures the amount of “push” on electrons through a conductor caused by a difference in charge between two objects?

 What measures the amount of “push” on electrons through a conductor caused by a difference in charge between two objects?   a) voltageb) resistancec) amperaged) force
8. Why is it safe for a squirrel to run along a high voltage wire?

 Why is it safe for a squirrel to run along a high voltage wire?   a)the squirrel is much faster than any electric currentb)there is no current in the wire when he runs along itc)the squirrel is not a conductor of electricityd)the squirrel isn't grounded so current doesn't affect him
9. Which of the following describe the properties of a parallel circuit?
 Which of the following describe the properties of a parallel circuit?   a) If one bulb goes out, they all dob) If one bulb goes out the rest stay litc) All bulbs get full voltage and are brighterd) Both b and c are true of parallel circuits
10. What is a way to increase the strength of an electromagnet?
 What is a way to increase the strength of an electromagnet?   a) add more voltageb) add more coils of wirec) use iron coresd) all the above