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What else can I help you with?
Is telegraphs still used today?
yes
Does telegraphs have magnets?
Yes, the original telegraph used electromagnets (a magnet created by passing current through a wire wound around a piece of iron) on the receiving end. The sending end did not require magnets but the device that made the clickety clack sounds on the receiving end was an electromagnet pulling two pieces of metal together.
Before telephone was invented which device was used to send messages?
Before the telephone, telegraphs were used.
What were the first telegraphs?
the first telegraphs included smoke signals and beacons.
When did telegraphs start?
Many countries claim to be the first to invent telegraphs
Why are magnets usefull?
Magnets are used in compasses.
How can magnets be used to help with recyling?
how can magnets be used to help with recycling
How can magnets be used to help us?
how can magnets be used to help with recycling
Which is mostly used in magnets magnesium or lead?
Lead is used in magnets.
How is lead used in magnets?
Lead is not typically used in magnets. Magnets are usually made from materials such as iron, nickel, and cobalt. Lead is not a magnetic material and is not commonly used in the production of magnets.
Why were telegraphs used during the civil war?
The Telephone had not been invented and telegraphs lines could be taped and taped to send messages by an army in the field and where much faster then when sent by horse.
Were telegraphs used in ww1?
Yes, they were used. However, they did not play a significant role in WWI. Hope that helps!
