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What is voltage?
Voltage is an electric potential difference
Voltage is energy
Voltage is a force
How is power measured?
In kilograms (Kg)
In watts (kW)
In feet ( Ft)
What is an electric Charge?
An electric charge is non moving kinetic energy
An electric charge is the physical property of matter
An electric charge is moving potential energy
What is kinetic energy?
A property of moving energy
A property of possessed energy
What is potential energy?
Potential energy is energy of motion, observable as the movement of an object, particle, or set of particles
Potential energy is mechanical energy, stored energy, or energy caused by its position
What is static electricity?
Static energy is a stationary electric charge, typically produced by friction
Static electricity is the rate of flow of negative charges of the conductor.
What is current electricity?
An electric charge that’s caused by friction and causes sparks
A net flow of electric charge through a region.
Select the conductors below
Gold
Steal
Oil
Diamond
Sea water
Select the insulators below
Glass
Copper
Rubber
Dry wood
Silver
What does an insulator do?
An insulator is a material whose internal electric charges do not flow freely
An insulator is a material which electricity, heat or sound can flow through
What does a conductor do?
A conductor is a material which electricity, heat or sound can flow through
A conductor let’s very little electric current to flow through it under the influence of an electric field
What is electricity made of?
Electricity is made from positive conductors
Electricity is made from flow of electrons
Select the 4 types of electricity
Fossil Fuels 67% (Non-Renewable Source): Coal 41%, Natural Gas 21% & Oil 5.1%
Helium
Renewable Energy 16%
Freon
Mainly Hydroelectric 92%: Wind 6%, Geothermal 1%, Solar 1%
Nuclear Power 13%
Nitrogen
Why is lightening dangerous?
It’s hot
One lightning bolt contains 30 million volts of electricity
It can strike you
What Are Some Careers in Electricity?
Electrical plants
Line installers
Farmer
Industrial machine installers
Restaurant manager
What’s an electrolyte
An cathode
A liquid or gel that contains ions and can be decomposed by electrolysis
What’s in a battery
Electrolytes
Cathode
Anode
All the above
What’s a fuse
A fuse is an electrical safety device that operates to provide overcurrent protection of an electrical circuit
A device having a designed resistance to the passage of an electric current
What do transmission lines do?
Transmission lines are necessary to carry high-voltage electricity over long distances and connect electricity generators with electricity consumers
An transmission line is an electrical machine that converts electrical energy into mechanical energy
Select 3 things in a motor shaft
Mild steel
Generator
Alloy steel
Iron
Wood
Chromium-vanadium
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