Electric Forces
A __________ flowing through a wire is surrounded by a electric field.
current
In a magnetic, opposite poles will ______________ and same poles will ______________.
attract, repel
The relationship between electricity & magnetism
What is electromagnetism?
The two types of charges in electric and magnetic forces are ____________ and _______________.
Positive and Negative
Protons
A region around charged particles where electric force is exerted on other __________ particles or objects is an electric field.
charged
A compass will always point in this direction if there is no magnetic field around it
What is North?
A motor, speaker, and hard drive are examples of these.
Electromagnets
When your hair stands on end each strand repelling the other, you are experiencing this.
static electricity
These particles have a negative charge.
Electrons
Electric force occurs when _________ create _________ and repulsive forces.
ions, attractive
Magnetic force is the ______________ and _________________ force between two _________.
Increasing the number of loops in a solenoid, or the electric current, can increase what?
What is magnetic field?
This device is the opposite of a motor, and uses mechanical energy to create electricity. This converts specific energy to electricity.
What is a generator?
Atoms that have a positive charge will be attracted to atoms with a _____________ charge.
Negative
Electric current is measured in ______________.
Amps
The magnetic field of a magnet is ________________ further away from the magnet.
weaker
To make an electromagnet ______________ you can increase the current or add a greater number of these.
stronger, loops
negative, positive
____________ have a negative charge and _____________ have a positive charge.
Electrons and protons
Electric force occurs when __________ create attractive and _______________ forces.
ions, repulsive
When electrons all ____________ in the same direction, they create an invisible force known as _____________.
spin, magnetism
An electric field that is positive moves ____________ to/from the charge.
Outward
Electric charges that do not move through a current are known as ___________ _______________.
static electricity