The movement of electric charges are called ____________.
Current
100
Which law states, " the total amount of charges in the universe doesn't change."
Law of Conservation of charges
100
a circuit that has a single pathway is called ________.
Series circuit
100
the ability to attract iron or steel is called _______.
magnetic
100
T or F Electromagnetic are temporary magnets
true
200
A material that holds tightly to its electrons are called ___.
insulator
200
What is Coulomb's Law?
opposite charges attract, like charges repel, the closer the distance of the the charges the stronger the force
200
A circuit that has multiple pathways are called _______.
parallel circuit
200
a material that always stay magnetized is called ____.
permanent magnet
200
a device that converts mechanical energy to electrical energy is called _____________.
electric generator
300
material that have free roaming electrons are called _____.
Conductors
300
What is the formula that supports of Ohm's law?
Volts =Current x Resistance
300
A circuit that has both series and parallel pathways are called _________.
Combination circuit
300
an metal object whose magnetic domain align for a short period of time is called _________.
temporary magnetic
300
tell me the definition and give a example: a device that converts electrical to mechanical energy.
electric motor
400
A region of space that interacts with magnets, it produces forces of attraction and repulsion.
Magnetic Field
400
Which subatomic particles are located in the atomic nucleus
protons and neutrons
400
The quantity of the potential energy that make elctric charges moves is called ___________.
Voltage
400
an object that becomes magnetized only when a electric current flows is called ___________.
Electromagnet
400
the end poles that magnetic line goes inward are called ______.
south pole
500
Give me a example of a semiconductor and explain why?
Answer will vary
500
what are the rules for drawing electric charges?
they point away from positive charges, toward negative charges.
A charge on the electric doesn't affect the charge itself.
Charges never crossover to one another.
Denser the lines represents the strength of the lines.
500
What are components of a circuit
Switch, fuse, resistor, power source, circuit breaker
500
what are three ways to increase the strength of a electromagnet.
increase the loops
increase the current
insert a metal piece between the loops
500
what other field does the magnetic domain have a connection with?