Electric charge
Opposite charges ______
Attracts
What voltage produces a current of 100 amps with a resistance of 50
5000
What electrical charge does protons have?
Positive
Both are conversion forces
What is a wire made of?
Metal and rubber/plastic
What can an electric field do?
What is the current produced with a 9 V battery through a resistance of 100 ohms
.09
What is small piece of metal within that melts when overheated to open the circuit and prevent current from flowing.
Fuse
What makes it possible for magnets to apply force over a distance?
Magnetic force surrounding the magnet
The more _____ of wire, the stronger the magnetic field.
Loops
Materials good at transferring electric charge
Conductors
What is the current produced by a potential difference of 120 V through a resistance of .08 ohms
150 amps
What is piece of metal that bends when overheated to open the circuit and prevent current from flowing.
Circuit breaker
What must you have in order for ferromagnetism to occur?
Atoms need to be arranged
What tool is used to detect the presence and magnitude of an electric charge?
Electroscope
Transfer of electrons by sliding
Friction
A current of 310 amps is flowing through a copper wire with a resistance of 30 oh,s. What is the voltage?
9,300
What is the accumulation of electrical charges on an object
Static electricity
What is necessary to create an electromagnet
Electric motor
How does a electric motor work?
Uses a electromagnet to convert electrical energy into mechanical energy.
Movement used to create electricity
Induction
What resistance would produce a current of 350 amps with a potential difference of 2,500 Volts?
7.14 ohms
What process is the method by whiten a neutral object obtains an electrical charge from a distance
Induction
In what two ways can you increase the strength of an electromagnet
More loops of wire and a stronger current
What 4 factors affect resistance?
1. Material
2. Size of wire
3. Length of wire
4. Temperature of wire