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Vibratory motion of ideal systems in the absence of any friction or resistance continues indefinitely under the action of a restoring force. Practically, in all systems, the force of friction slows down the motion, so the systems do not oscillate indefinitely. The friction reduces the mechanical energy of the system as time passes, and the motion is said to be DAMPED. This damping progressively reduces the AMPLITUDE of OSCILLATION.
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What is the basic function of insulation?
Heat insulation reduces the rate of heat flow. Sound insulation reduces the amplitude of the sound energy transmitted through a cavity.
What is the effect of temperature on dielectric constant of a dielectric?
Usually, dielectric materials have permanent dipoles. As temperature increases, the molecules in the dielectric have more thermal energy and therefore, the amplitude of random motion is greater. This means that the molecules are less closely aligned with each other (even in the presence of an electric field). Hence, the dielectric constant reduces.
When the length of air gap is increased in an induction motor what will also increase?
Power factor reduces overload capacity increased noise reduces
How do you reduces ac no lode current in transformers?
Disconnect the primary source.
A countermeasure is anything that effectively reduces an adversary and ability to exploit our vulnerabilities?
True
How damping progressively reduces the amplitude oscillations?
When energy is lost from the oscillating system, the amplitude of oscillationdecreases. When that happens progressively, we say that the oscillation is"damped". "Damping" is a description of the decrease, not its cause.
How is light damping achieved?
The amplitude of resonant oscillations can be reduced by damping.Light damping reduces oscillations slowly.Heavy damping reduces oscillations quickly.Critical damping stops the oscillation within one cycle.The graph above shows light damping.
How does damping effect wavelength?
Damping reduces the amplitude of a wave over time, but it does not directly affect the wavelength of the wave. The wavelength of a wave is determined by the frequency of the wave and the speed at which it propagates through the medium. However, damping can affect the propagation speed of a wave, which in turn may indirectly influence the wavelength.
Why is sharpness of resonance inversely proportional to the damping force?
The sharpness of resonance is inversely proportional to the damping force because damping reduces the amplitude of oscillations in a system, leading to a broader resonance peak. Higher damping forces cause energy to be dissipated more quickly from the system, resulting in a less pronounced peak at the resonant frequency.
What is the example of damp oscillation?
An example of damp oscillation is when a car's suspension system absorbs the energy from bumps on the road, causing the car to bounce up and down in a controlled manner before coming to rest. The damping effect reduces the oscillations over time, preventing the car from continually bouncing.
How does destructive affect the amplitude of a wave?
It reduces amplitude.
What is damping cooler for?
A damping cooler is used to cool down and dissipate heat from electronic components, such as a computer's CPU or GPU. It helps to prevent overheating and maintain optimal performance and longevity of the hardware. The damping feature reduces noise and vibrations, providing a quieter and more stable cooling solution.
What is the basic function of insulation?
Heat insulation reduces the rate of heat flow. Sound insulation reduces the amplitude of the sound energy transmitted through a cavity.
How does destructive interference affect the amplitude of a wave?
Destructive interference occurs when waves combine to produce a wave with smaller amplitude than the original waves. This is because the peaks of one wave align with the troughs of another wave, resulting in cancellation of the wave amplitudes at that point.
What happens when destuctive interference occurs between waves with different amplitudes?
Destructive interference occurs when waves with different amplitudes combine to partially or completely cancel each other out, resulting in a wave with reduced amplitude or no amplitude at all in certain regions. The peaks of one wave align with the troughs of another wave, causing them to interfere in a way that reduces the overall amplitude.
What is the function of an attenuator in cro?
An attenuator is an electronic device that reduces the amplitude or power of a signal without appreciably distorting its waveform. attenuator just decrease its amplitude and the attenuator you can take it as a opposite of amplifier. Amplifier just modifies the input signal gives amplified output signal
How High pass filter circuits works?
A High Pass Filter is an Electronic Filter that passes high frequency signals but Attenuates (reduces the Amplitude ) of Signals with frequencies lower than the cut-off Frequency
