Power
Static
Electricity
More Electricity
Circuits
100
The opposition to the flow of electric charges in a material is referred to as.....
What is Resistance?
100
The attraction or repulsion between electrically charged objects is referred to as......
What is Electric Force
100
A strong electric field is caused by...
What is a large quantity of charge?
100
Why does a wire become warmer when charges flow through it?
What is resistance?
100
What is a circuit called where there is only one path for the current to follow?
What is series?
200
What is the unit of electricity that the electric company sells to the consumer?
What is kilowatt hour?
200
A material through which a charge cannot flow easily is a .....
What is an electrical insulator?
200

Double Jeopardy.   Make your wager......

What is MgB2?

200
How much current is needed by a 120 V refrigerator that uses 650 W of power?
What is 5.4 A? P=VI I = P/V = 650/120
200
What is the circuit called where there are more than one pathway for the current to follow?
What are parallel circuits?
300
State the formula for electrical power.
What is P=IV?
300
A material has a net electric charge because it ....
What is has an excess or shortage of electrons
300
A superconducting material has no resistance at ....
What is low temperatures?
300
How much amperage is in a circuit that has a resistance of 50 ohm and a voltage of 250?
What is 5 amps?
300
What melts to protect a circuit?
What is a fuse?
400
What is the unit for current?
What is amper?
400
The study of the buildup of charge, electric discharges, and electric fields is referred to as.....
What is static electricity?
400
What does Ohm’s law state?
What is voltage equals current times resistance
400
A circuit that has multiple resistors and they operate independent of one another is a __________ circuit.
What is parallel?
400
What is a super conductor?
What is a material that when cooled has little to no resistance?
500
Elizabeth's hair dryer uses 10 amps of current at 120 volts. What power is it taking?
What is 1200 watts?
500
How does the electric force between two charged objects change if you double the distance between the objects?
What is quartered?
500
What voltage is required to run a 45 watt light bulb if the current is 0.5 ampere
What is 90 volts? P=IV V=P/I = 45/0.5
500
The atomic number of iodine is 53. How many electrons are there in a neutrally charged atom of iodine?
What is 53?
500
Name the factors that affect resistance....
What are length of wire, thickness of wire, temperature of wire?
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