Electric Charge
Opposite charges ____________.
What is attract?
The electric force is much stronger than the force of _____________.
What is gravity?
What type of current powers household electrical outlets?
What is alternating current?
Calculate the voltage in a wire that has a current of 0.5 A and a resistance of 400 ohms.
What is 200 Volts?
A material through which electrons move easily is a ______________.
What is a conductor?
Like charges __________.
What is repel?
An ___________ surrounds every electric charge and exerts the force that causes other electric charges to be attracted or repelled.
What is an electric field?
What type of current never changes direction?
What is direct current?
Calculate the voltage in a wire that has a current of 0.75 A and a resistance of 45 ohms.
What is 33.75 Volts?
A material in which electrons are not able to move easily is an ______________.
What is an insulator?
A negative charge is known as an ____________.
What is an electron?
The net movement of electric charges in a single direction is known as ___________.
What is electric current?
What type of circuit only has one path or one branch for the current to flow?
What is a series circuit?
Calculate the power in a copper wire that has a current of 5.5 A and a voltage of 120 volts.
What is 660 Watts?
Cylindrical batteries that would be placed in flashlights are ___________________.
What is a dry-cell battery?
A positive charge is known as a ___________.
What is a proton?
The force that causes electric charges to flow and flows from higher potential to lower potential is ___________.
What is voltage?
What type of circuit contains two or more branches for current to travel?
What is a parallel circuit?
Calculate the power in a wire that has a current of 12.5 A and a voltage of 240 volts.
What is 3000 Watts?
A car battery is an example of a __________________.
What is a wet cell battery?
Charges cannot be created or destroyed but can be transferred from object to object is known as _______________.
What is the Law of Conservation of Charge?
A closed path that electric current flow is known as ___________.
What is an electric circuit?
What is the tendency for a material to resist the flow of electrons and to convert electrical energy into other forms of energy?
What is resistance?
Calculate the resistance in a wire that has a current of 0.33 A and a voltage of 240 volts.
What is 800 Ohms?
The law that explains the relationship among voltage difference, current, and resistance.
What is Ohm's Law?