Definition
The difference in electrical potential between two points.
Potential Difference
An electric current flowing in one direction only is a ____
Direct Current
Compass
Magnetic Poles
Give voltage to something being like a big battery
Generator
V=IR
An electric current that reverses its direction many times a second at regular intervals, typically used in power supplies.
Alternating Current
Electric ___ is defined as the rate at which electrical energy is transferred within a circuit
Power
Copper
Conductor
Powering a wide range of applications from household appliances to industrial machinery.
V=Q/W
Volt
The SI base unit of electrical current.
Ampere
An _____ is a physical field that surrounds electrically charged particles such as electrons
Electric field
Street lights commonly have them as well as most electronics
Equivalent Resistance
Used to split the voltage between many devices
Series circuit
R=ρA/L
Resistor
a physical field that describes the magnetic influence on moving electric charges, electric currents, and magnetic materials.
Magnetic field
____ is the tendency of an electrical conductor to oppose a change in the electric current flowing through it.
Inductance
Most houses are wired to have this
Parallel circuit
This is essential to put power into the devices
Voltage
P=VI
Power
The production of an electromotive force across an electrical conductor in a changing magnetic field.
Electromagnetic Induction
_____, also known as (electrical) potential difference, electric pressure, or electric tension, is the difference in electric potential between two points.
Voltage
DIY window locks
Magnetic Domain
Used to adjust the voltage levels
Transformers
B=μ0nI
Electromagnet