electricity
What is electricity?
flow of electric current through a conductor, such as a wire. Electricity is sometimes also used to describe electrostatic charges.
property of a material that describes its ability to exert a force on a magnet or a magnetic material.
magnetic
continuous flow of electrons
electric current
electromagnet is
when electricity and magnetism meets
solenoid
coil of wire, usually cylindrical, that uses electric current to create a magnetic field.
who was ohm's law named after?
Named in honor of Georg Simon Ohm.
when two magnet pull towards each other
attract
closed pathway that an electrical current follows
circuit
poles are
the strongest part of the magnet
armature
rotating part of an electric motor containing electromagnets.
explain detailed the Kirchhoff’s voltage law
sum of the voltage drops (voltage differences) around a closed loop equals zero.
two regions in a magnetic field
magnetic poles
types of circuit
parallel, series circuit
static energy is
the build up of electric charges on an object
Lenz’s law
direction of the current induced in a wire is such that the current’s induced magnetic field opposes the change in magnetic field that originally induced the current.
Kirchhoff’s current law says
sum of all currents entering a junction must equal the sum of all currents exiting that junction.
SI unit for electric charge.
coulomb (C)
supplies used to make circuit
batteries, wires lightbulb
how are current and voltage related
directly
electric motor
machine that transforms or converts electrical energy into mechanical energy.
the units of electrical current and resistance
ampere,ohm,
vector arrows that depict visually the direction and magnitude of an electric field
electric field lines
static and current
examples of electricity
the flow of electrons along a complete closed path
current electricity
polarity
condition of a system that describes opposing physical characteristics. Examples include the poles of a magnet and electrical charges.