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What causes the metal disc in an earphone to vibrate and make sound?
Magnets and an electrical current; the analog signal is converted into sound via the diaphragm
How does sound happen?
By multiple vibrations in the air aka sound waves. An object which creates kinetic energy produces air pressure variations which are interpreted as sound by the brain via the ear drum and the nerves in the inner ear.
Why is sound transmitted through vibrations?
when an object vibrates, it makes pressure changes around it, because when it moves in on direction, it creates a vacuum where it came from. The pressure changes then create low frequency energy waves. when the human ear detects these energy waves, it converts it into electrical pulses and sends them to the brain.
Why do things with mass have a gravitational field around it?
I believe the "why" is not yet completely clarified. Even it if where, it would be quite complicated.According to General Relativity, a mass distorts space and time around it. This distortion affects the movement of other objects - i.e., there is a gravitational force.Another explanation - not necessarily contradictory to the first - is that a force of gravity is transmitted via hypothetical particles called gravitons. These particles have not been directly observed yet. This would be similar to the electric and magnetic forces being transmitted via photons.
How does vibration cause sound wave?
Vibrations alter the density of the air (or other medium) around them. They do this as a wave. When the wave reaches a person's eardrum it makes it vibrate to the rhythm of the vibration. This is conducted to the brain via an electrical impulse and we hear it as sound.
How id sound transmitted and received via telephone?
ask graham alexander bell he invented it
How were messages sent via telegraph?
A message transmitted by a telegraph is called a TeleGram.
How sound is transmitted to speakers?
A microphone is a transducer that vibrates when in the presence of sound. These vibrations are converted into fluctuations in voltage that are transmitted to an amplifier. The amp then can increase the received voltage and transmit again via voltage fluctuations to a speaker which is also a transducer. In this case the electric signals vibrate a coil that in turn vibrates a membrane of some type creating sound waves by causing molecules in the air to vibrate.
What is a sentence with the word transmitted?
The data was transmitted via email. Disease can be transmitted from one person to another through contact with common objects such as a doorknob. The radio station transmitted a live rock concert on its station last night.
Who were the first two cities to use the telegraph?
What were the 1st two cities to communicate via telegraph?
How does sound travel from instruments to your ears?
Sound creates waves in a material- compression waves. These waves are transmitted through the atoms/molecules in the material to the receiver. The denser a material is, the more effectively sound may travel; this is because the sound waves are transmitted more easily through the tightly packed molecules.
May 24 1844 which two cities were the first to communicate via telegraph?
On May 24, 1844, which two cities were the first to communicate via telegraph
How are character get transmitted from generation to generation?
Characters are transmitted via gene
Aids can be transmitted breast milk?
HIV can be transmitted via breast milk.
What is the definition of telegraph?
The noun 'telegraph' is a system for transmitting messages from a distance along a wire by creating signals by making and breaking an electrical connection. Telegraph signals are sent over wires. The verb 'to telegraph' is to send a message by telegraph.
How do messages get sent via telegraph?
caz dey felt lik it
Can you get aids before puberty?
Yes, it is transmitted via bodily fluids, so it can still be transmitted sexual but also via needles, blood transfusions etc
