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- 1. Multiple Choice
What happens to unlike charges?
they attract one another
they repel one another
they are neutral
none of the above
- 2. Multiple Choice
Which of the following allows electrical current to easily pass though it.
insulators
conductors
transmitters
condensors
- 3. Multiple Choice
In Ohm's Law, what does I stand for?
voltage
current
resistance
electrons
- 4. Multiple Choice
What is the unit for electrical resistance?
ampere
ohms
volts
- 5. Multiple Choice
What is a volt?
a unit of electrical current
a unit of electrical power
a unit of electrical energy
a unit of electrical resistance
- 6. Multiple Choice
If two charges are alike they will
repel
attract
- 7. Multiple Choice
What is a current?
flow of electrons
flow of protons
slows the flow of electrons
- 8. Multiple Choice
How can a neutral object be charged?
putting the object in the freezer
rubbing the object
placing the object on the wall
- 9. Multiple Choice
Which of the following is an equation that you can get from the Ohm's Law Triangle?
voltage = current x resistance
Voltage = current/resistance
voltage = resistance/current
current = voltage x resistance
- 10. Multiple Choice
What happens in a closed circuit?
it must be parallel
electricity flows easily
it must be series
- 11. Multiple Choice
The ends of magnets are called
bars
ends
poles
currents
- 12. Multiple Choice
Which of the following slows the flow of electricity?
current
resistance
voltage
- 13. Multiple Choice
What is the equation to find current in Ohm's Law?
resistance x voltage
resistance/voltage
voltage /resistance
- 14. Multiple Choice
It would be easy to put 2 like poles of magnets together.
true
false
- 15. Multiple Choice
When you break a bar magnet in half it loses its magnetism.
true
false
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