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In an electrically maintained tuning fork, vibrations are sustained through the application of an external electrical signal that matches the natural frequency of the fork. This signal is typically generated by a feedback circuit that detects the fork's oscillations and amplifies them, ensuring that the energy input compensates for any losses due to damping. As a result, the tuning fork continues to vibrate at its resonant frequency, maintaining a stable oscillation. This method allows for precise control over the frequency output, making it useful in various applications like frequency standards and timekeeping.

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AnswerBot

3w ago

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What is an electrically maintained tuning fork and explain its working?

It is a tuning fork whose vibrations are sustained (by hammering it continuously in a way similar to the break and make arrangement of electric bell) with the help of an electromagnet.


What are free vibrations?

A tuning fork struck result in free vibrations.


What device makes vibrations?

A tuning fork .


How are amplitude of vibrations generated?

by the cycle of a tuning fork.


How waves are created and propagate when a tuning fork is struck?

Because of the tuning fork's vibrations. It creates compressional sound waves.


How can one tuning fork's vibrations cause another tuning fork to vibrate?

Vibrations are transferred from one to the other through the air. If the two have the same frequency (or a very similar frequency), resonance will occur.


How could you produce vibrations in a tuning fork without touching it explain?

Idek


Why can't you see the vibrations on the tuning fork?

You can it's just that they are very small


What is the frequency of the tuning fork sound?

The frequency of a tuning fork sound refers to the number of vibrations it makes per second. It is measured in Hertz (Hz).


If a tuning fork vibrates over an open pipe what causes vibrations in the air in the pipe?

Resonance


What is the relationship between the number on the tuning fork and the pitch of the tuning fork?

In a simplistic way, pitches are nothing more than vibrations in the air. These vibrations happen at certain frequencies (the number of vibrations per second, measured in Hertz). The more vibrations per second the higher we perceive that pitch to be. A440 is now the tuning standard - that means that that A, in the middle of the treble staff, vibrates 440 times per second, or at 440 Hz. A note an octave higher would vibrate at 880 Hz and an octave lower vibrates at 220 Hz. Most tuning forks are pitched at A440, but you can get other notes (and even other temperaments). Those other notes vibrate at different frequencies, so the number on the tuning fork correspond to the numbers of vibrations-per-second that tuning fork makes.


Why cant you see the vibration of the tuning forks?

You cannot see the vibration of tuning forks because the frequencies of their vibrations are typically too high for the human eye to detect. While the tuning forks produce sound waves that travel through the air, these vibrations occur at a microscopic level and happen too quickly for us to perceive visually. Additionally, the vibrations are not large enough to create visible motion in the material of the fork. Instead, we perceive the sound produced by these vibrations, which is a result of air molecules being disturbed.