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Inventions Around the World - Coggle Diagram
Inventions Around the World
Electricity
Electricity is related to magnetism,
The electric system in a small industrial unit will normally be powered by a three-phase supply.
the set of physical phenomena associated with the presence and motion of matter possessing an electric charge.
The SI Unit of electric current is the Ampere. Electrons are minute particles that exist within the molecular structure of a substance
Television
An audio-visual medium.
Features of other media.
A glamorous medium.
Broad reach and high credibility.
Helicopters
It can turn in the air in ways airplanes cannot.
It also can hover in one spot in the air without moving.
A helicopter can take off or land without a runway.
Unlike an airplane, a helicopter can fly backwards or sideways.
Telephones
The receiver and transmitter are usually built into a handset which is held up to the ear and mouth during conversation.
a system that turns sound waves into electrical signals so that sound can be transmitted over long distances.
a microphone (transmitter) to speak into and an earphone (receiver) which reproduces the voice at a distant location.
Telephones are used to transmit voice conversations, allowing people to talk to each other when they're not all in the same place
