What are the tiny particles that make up matter?
What is the region around a charged object where an electric force is present?
Which part of the atom has a positive charge?
What is the loss of static electricity as charges move off an object?
What does the size of a current depend upon?
What is the part of the cell where charges enter or exit?
As resistance goes up, what happens to the current?
What is the voltage if the current is 4 A and the resistance is 10 Ohms?
How much electrical energy does a 75 W light bulb use if it is on for 4 hours?
Circuits need three basic parts, an energy source, wires, and what else?
How many pathways are there for moving charges in a series circuit?
Why are protons and electrons attracted to each other?
In the formula P = V x I, what does the I stand for?
The size of an electric force depends upon which two things?
What generates electrical energy from chemical energy?
A video monitor draws 1.5 A at a voltage of 150 V. What is the power rating of the monitor?
What is a switch that automatically opens if the current is too high?
Which of these would lower the electrical resistance of a wire?
What happens if you rub a glass rod with a piece of silk and the rod becomes positively charged?
When you flip the switch on a flashlight, what is immediately set up?
What is the rate at which charges pass a given point?
Who was George Ohm?
Light bulbs may be labeled "100 W" or "40 W". This describes
Good conductors have low
Which of the following is an insulator?
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load loop temperature voltage more less insulator conductor electric current electrical electrical insulators static electricity series circuit parallel circuit electric power thermocouple law of electric charges energy source production photocell electrode electrolyte resistance
A ____________ is a device in a circuit that uses electrical energy to do work.
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load loop temperature voltage more less insulator conductor electric current electrical electrical insulators static electricity series circuit parallel circuit electric power thermocouple law of electric charges energy source production photocell electrode electrolyte resistance
Metal cords are often covered in plastic and have metal prongs. This is because metal is a good conductor and plastic is a good _______________.
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load loop temperature voltage more less insulator conductor electric current electrical electrical insulators static electricity series circuit parallel circuit electric power thermocouple law of electric charges energy source production photocell electrode electrolyte resistance
Another word for potential difference is __________________.
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load loop temperature voltage more less insulator conductor electric current electrical electrical insulators static electricity series circuit parallel circuit electric power thermocouple law of electric charges energy source production photocell electrode electrolyte resistance
Thin wires have ________________ resistance than thick ones.
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load loop temperature voltage more less insulator conductor electric current electrical electrical insulators static electricity series circuit parallel circuit electric power thermocouple law of electric charges energy source production photocell electrode electrolyte resistance
An object's resistance depends upon the object's material, thickness, length and ___________________.
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load loop temperature voltage more less insulator conductor electric current electrical electrical insulators static electricity series circuit parallel circuit electric power thermocouple law of electric charges energy source production photocell electrode electrolyte resistance
Electric circuits always form a ________________.
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load loop temperature voltage more less insulator conductor electric current electrical electrical insulators static electricity series circuit parallel circuit electric power thermocouple law of electric charges energy source production photocell electrode electrolyte resistance
Plastic, glass, wood and air are examples of good ________________.
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load loop temperature voltage more less insulator conductor electric current electrical electrical insulators static electricity series circuit parallel circuit electric power thermocouple law of electric charges energy source production photocell electrode electrolyte resistance
Electrons moving in a wire make up _____________________ and provide energy to the things that you use each day.
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load loop temperature voltage more less insulator conductor electric current electrical electrical insulators static electricity series circuit parallel circuit electric power thermocouple law of electric charges energy source production photocell electrode electrolyte resistance
When the voltage is in volts and the current is in amperes, ______________ is expressed in watts.
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load loop temperature voltage more less insulator conductor electric current electrical electrical insulators static electricity series circuit parallel circuit electric power thermocouple law of electric charges energy source production photocell electrode electrolyte resistance
When your clothes come out of the dryer stuck together, they are full of ________________.
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load loop temperature voltage more less insulator conductor electric current electrical electrical insulators static electricity series circuit parallel circuit electric power thermocouple law of electric charges energy source production photocell electrode electrolyte resistance
The opposition to the flow of electric charge is __________________.
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load loop temperature voltage more less insulator conductor electric current electrical electrical insulators static electricity series circuit parallel circuit electric power thermocouple law of electric charges energy source production photocell electrode electrolyte resistance
The part of the cell through which charges enter and exit is the ________________.
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load loop temperature voltage more less insulator conductor electric current electrical electrical insulators static electricity series circuit parallel circuit electric power thermocouple law of electric charges energy source production photocell electrode electrolyte resistance
The law that states that like charges repel and opposite charges attract is called the _____________________.
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load loop temperature voltage more less insulator conductor electric current electrical electrical insulators static electricity series circuit parallel circuit electric power thermocouple law of electric charges energy source production photocell electrode electrolyte resistance
A device that converts thermal energy into electrical energy is called a(n) ___________________.
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load loop temperature voltage more less insulator conductor electric current electrical electrical insulators static electricity series circuit parallel circuit electric power thermocouple law of electric charges energy source production photocell electrode electrolyte resistance
The three different parts of a circuit are wires, load and a(n) ______________.
The higher this is, the lower the current.
This device uses the temperature difference in wires to convert thermal energy into electrical energy.
As this increases, so does the current.
This method of charging happens when you rub a balloon on your hair.
This is a material, like metal, that allows charges to move easily.
This is the region around a charged object where a force is exerted on other objects.
Clothes often stick together because of this.
This is expressed in amps.
This is the force between two charged objects.
Lightning is an example of this.