0
Impedance may refer to:
the ratio of the voltage phasor to the electric current phasor, as in
Electrical impedance, a measure of opposition to time-varying electric current in an electric circuit.
Characteristic impedance, a measure of opposition to electric current propagation in a transmission line.
Impedance matching and Impedance mismatch.
Vacuum impedance, a universal constant.
Electromagnetic impedance, a constant related to electromagnetic wave propagation in a medium.
Mechanical impedance, a measure of opposition to motion of a structure subjected to a force.
Acoustic impedance, a constant related to the propagation of sound waves in an acoustic medium.
Linear response function, a general way to represent the input-output characteristics of a system. Scroll down to related links and look at an example: "Interconnection of two audio units".
What else can I help you with?
What is the physical significance of intrinsic impedance?
The intrinsic impedance of a material is a measure of how easily electromagnetic waves can propagate through it. It is related to the material's electrical and magnetic properties. A material with a lower intrinsic impedance allows for more efficient transmission of electromagnetic waves.
What is the significance of the impedance angle in electrical circuits?
The impedance angle in electrical circuits is significant because it helps determine the phase relationship between voltage and current. It indicates whether the circuit is capacitive, inductive, or resistive, which affects how energy is transferred and how the circuit behaves. Understanding the impedance angle is crucial for designing and analyzing complex electrical systems.
What is the significance of impedance in electrical circuits and how does it affect the flow of current?
Impedance in electrical circuits is important because it measures the opposition to the flow of alternating current. It consists of resistance and reactance, which affect how current flows through a circuit. A higher impedance means there is more resistance to the current flow, which can limit the amount of current that can pass through the circuit. This can impact the efficiency and performance of the circuit.
What is the unit of a impidance?
Impedance is expressed in units of 'ohms'.In a DC situation, impedance is simply the scalar resistance.In a circuit where voltage/current have time-varying components,impedance is a complex quantity, with both magnitude and angle.
How do you calculate magnetizing impedance of the induction motor?
The magnetizing impedance of an induction motor can be calculated by performing no-load tests. During these tests, the motor is operated without any mechanical load, and its input power and current are measured. By applying the equivalent circuit model of the motor, which includes the magnetizing impedance, the impedance value can be calculated using the measured data.
What is the physical significance of intrinsic impedance?
The intrinsic impedance of a material is a measure of how easily electromagnetic waves can propagate through it. It is related to the material's electrical and magnetic properties. A material with a lower intrinsic impedance allows for more efficient transmission of electromagnetic waves.
What is the significance of end correction?
The significance of end correction is that it is used in the radiation acoustic impedance of a circular piston.
What is significance of Hall coefficient?
physical significance of hall coefficient
What is the Physical significance of z transform?
t is the significance of Z-transform
Which is better high input impedance or low input impedance and why?
That depends on the output impedance. In electronic we use voltage bridging, that is a relative low output impedance to a higher input impedance. Usualy the input impedance is more than ten times higher then the output impedance. An input impedance is called also a load impedance or an external impedance. An output impedance is called also a source impedance or an internal impedance.
What is the significance of the impedance angle in electrical circuits?
The impedance angle in electrical circuits is significant because it helps determine the phase relationship between voltage and current. It indicates whether the circuit is capacitive, inductive, or resistive, which affects how energy is transferred and how the circuit behaves. Understanding the impedance angle is crucial for designing and analyzing complex electrical systems.
How to distinguish between characteristic impedance and input impedance?
The characteristic impedance or surge impedance belongs to uniform transmission lines.In electronic gears we use voltage bridging, that is a relative low output impedance to a higher input impedance. Usualy the input impedance is more than ten times higher then the output impedance.An input impedance is called also a load impedance or an external impedance.An output impedance is called also a source impedance or an internal impedance.
Input impedance is greater than to load impedance?
In electronic gears we use voltage bridging, that is a relative low output impedance to a higher input impedance. Usualy the input impedance is more than ten times higher then the output impedance.An input impedance is called also a load impedance or an external impedance.An output impedance is called also a source impedance or an internal impedance.
Is characteristics impedance of a filter is same as output or load impedance?
load impedance
A list of words with the suffix ance?
There are so many words with the suffix ance. Some of them include trance, impedance, endurance, significance, dominance and many more.
What is high input impedance?
To get all the voltage from a source to a target without loss you need voltage bridging, that is a relative low output impedance to a higher input impedance. Usualy the input impedance is more than ten times higher then the output impedance.An input impedance is called also a load impedance or an external impedance.An output impedance is called also a source impedance or an internal impedance.
What is analog audio impedance?
To get all the audio voltage from a source to a target without loss you need voltage bridging, that is a relative low output impedance to a higher input impedance. Usualy the input impedance is at least ten times higher then the output impedance.An input impedance is called also a load impedance or an external impedance.An output impedance is called also a source impedance or an internal impedance.
