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