Electricity Basics
What is the flow of electric charge called?
What is electric current?
This type of circuit has only one path for current to flow.
What is a series circuit?
What formula represents Ohm's Law?
What is V=IR? (Volts = Intensity x Resistance)
What is the region around a magnet where forces can be detected?
What is a magnetic field?
Who discovered the electricity and magnetism are related?
Who is Hans Christian Ørsted?
What unit is used to measure electric current?
What is the ampere?
If voltage is 10 V and the resistance is 2Ω, what is the current?
What is 5 A?
Magnetic field lines always run from the ____ to the _____.
What is north and south?
Moving electric charges create what?
What is a magnetic field?
This material does not allow electric current to flow easily.
What is an insulator?
What happens to the current in a series circuit if one component fails?
What is the entire circuit stops working?
Resistance is measured in what units?
What are ohms?
What kind of poles attract each other?
This device uses electromagnet induction to generate electricity.
What is a generator?
Voltage is also know as this kind of potential.
What is electric potential?
Which circuit type allows devices to operate independently?
What is a parallel circuit?
If current is 3 A and the resistance is 4Ω, what is the voltage?
What is 12 V?
Earth's magnetic field affects what common navigational tool?
What is a compass?
What does a motor covert electrical energy into?
What is mechanical energy?
Name the three basic components needed to complete and electric circuit.
What are a power source, conductors, and a load?
The total resistance in a series circuit is calculated by doing what?
What is adding all the resistances together?
If voltage stays the same but the resistance increases, what happens to the current?
A magnet made by passing current through a coil of wire is called what?
What is an electromagnet?
The principal of electromagnet induction was discovered by this scientist.
Who is Michael Faraday?