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•Measures each point in a single cycle of a signal relative to its point of origin

Phase tells you the delay in a signal


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Pasquale Wisozk

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3y ago

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What is the significance of the phase constant in physics?

The phase constant in physics represents the starting point of a wave or oscillation. It helps determine the position and timing of the wave at any given moment. This constant is crucial in understanding the behavior and interactions of waves in various physical phenomena.


What is meant by signal?

A signal is defined as a the physical quantity that varies with time, space or any other indepenent variables.


Is heating ice turning to gas a physical change?

Correct, any phase change is considered to be a physical change.


Reason for the error which is inevitably present on the pw demodulated signal?

The error in the phase-modulated (PM) demodulated signal can arise from various factors, including noise, signal distortion, and timing inaccuracies. Noise can introduce random variations in the signal, leading to incorrect phase interpretation. Additionally, any non-idealities in the demodulation process, such as phase jitter or frequency offset, can adversely affect the accuracy of the recovered signal. Finally, limitations in the receiver's bandwidth can result in inadequate capture of the modulated signal, further contributing to errors.


Is a phase change an example of a physical or chemical or nuclear or a covalent change?

A phase change is an example of a physical change, not a chemical, nuclear, or covalent change. During a phase change, the substance undergoes a change in state (solid, liquid, gas) without any change in its chemical composition.


Why does a phase shift occur in a ce transistor?

In any transistor circuit , there is a phase shift. It takes a finite time for the controlling signal, usually on the base connection, to have an effect on the circuit and cause a change to the output. The shape of the signal remains but it is shifted in time (phase). The difference varies by configuration. It can be as much as180 degrees if the circuit is inverting the signal. The addition of passive components add to the shift.


Can any signal have no energy?

In order for a signal to be detected, it must impart energy to the receiver, so, no, there are no signals that have no energy. It might seem that there is no energy. If you carefully consider capacitive and inductive reactance, however, you will note that current and voltage can be out of phase. If they are 90 degrees out of phase, then a "normal" meter will show no power, but there is energy transfer in any case.


Is water condensing a physical or chemical change?

Water condensing is a physical change. It is a change in state from the gaseous phase (water vapor) to the liquid phase (liquid water) without any change in the chemical composition of water molecules.


Is liquid ammonia boiling a chemical or physical change?

Physical change.. think of it as it changing state not the substance


What is the physical significance of enthalpy?

it is the total energy required to create any system by displacing its volume and pressure.


What are the main condition to run two 240v AC UPS on parallel.?

They MUST be specially designed to share a common phase signal, so the outputs are in-phase. Yo cannot just parallel any two UPS's.


What is kilograms X kilometers equal to?

That would be million-gram-meter, a unit without any physical significance.