What is the square of the voltage standing-wave ratio called?

What is the square of the voltage standing-wave ratio  called?
by

1 Answer

Answer :

Power standing-wave ratio (pswr).
by

Related questions

The maxima and minima voltage of the standing wave are 6 and 2 respectively. The standing wave ratio is a) 2 b) 3 c) 1/2 d) 4

Description : The maxima and minima voltage of the standing wave are 6 and 2 respectively. The standing wave ratio is a) 2 b) 3 c) 1/2 d) 4

Last Answer : b) 3

Standing wave ratio is defined as the a) Ratio of voltage maxima to voltage minima b) Ratio of current maxima to current minima c) Product of voltage maxima and voltage minima d) Product of current maxima and current minima

Description : Standing wave ratio is defined as the a) Ratio of voltage maxima to voltage minima b) Ratio of current maxima to current minima c) Product of voltage maxima and voltage minima d) Product of current maxima and current minima

Last Answer : a) Ratio of voltage maxima to voltage minima

For transmission line, the incident voltage Ei = 6V, and Er = 3V. Calculate: (1) Reflection coefficient (2) Standing wave ratio

Description : For transmission line, the incident voltage Ei = 6V, and Er = 3V. Calculate: (1) Reflection coefficient (2) Standing wave ratio

Last Answer : (1)Reflection coefficient  (2) Standing wave ratio (1)Reflection coefficient Reflection coefficient R=Er/Ei  =3/6  R=0.5 (2) Standing wave ratio SWR=Ei+Er/Ei-Er  =6+3/6-3  SWR =3

If Voltage Standing Wave Ratio, (VSWR) of a wave is 2, its reflection coefficient will be _____.

Description : If Voltage Standing Wave Ratio, (VSWR) of a wave is 2, its reflection coefficient will be _____.

Last Answer : If Voltage Standing Wave Ratio, (VSWR) of a wave is 2, its reflection coefficient will be 1/3.

. A non-resonant line is a line that has no standing waves of current and voltage on it and is considered to be flat. Why is this true?

Description : . A non-resonant line is a line that has no standing waves of current and voltage on it and is considered to be flat. Why is this true?

Last Answer : The load impedance of such a line is equal to Z0.

An RG-11/U foam coaxial cable has a maximum voltage standing wave of 52 V and a minimum voltage of 17 V. Find the value of the resistive load. A. 24.59Ω B. Either A or C C. 228.75Ω D. Neither A nor C

Description : An RG-11/U foam coaxial cable has a maximum voltage standing wave of 52 V and a minimum voltage of 17 V. Find the value of the resistive load. A. 24.59Ω B. Either A or C C. 228.75Ω D. Neither A nor C

Last Answer : B. Either A or C

It is useful to refer to an isotropic radiator. A. when comparing the gains of directional antennas B. when testing a transmission line for standing wave ratio C. when (in the northern hemisphere) directing the transmission D. when using a dummy load to tune a transmitter

Description : It is useful to refer to an isotropic radiator. A. when comparing the gains of directional antennas B. when testing a transmission line for standing wave ratio C. when (in the northern hemisphere) directing the transmission D. when using a dummy load to tune a transmitter

Last Answer : A. when comparing the gains of directional antennas

Which of the following characterizes a properly terminated transmission line? A. The line loss is minimum. B. The standing wave ratio is minimum. C. The input impedance is twice the load impedance. D. The standing wave ratio is one.

Description : Which of the following characterizes a properly terminated transmission line? A. The line loss is minimum. B. The standing wave ratio is minimum. C. The input impedance is twice the load impedance. D. The standing wave ratio is one.

Last Answer : D. The standing wave ratio is one.

Determine the standing wave ratio of a 300-Ω line whose load is 400+j150 Ω. A. 3.55 B. 1.67 C. 5.53 D. 3.35

Description : Determine the standing wave ratio of a 300-Ω line whose load is 400+j150 Ω. A. 3.55 B. 1.67 C. 5.53 D. 3.35

Last Answer : B. 1.67

When is it useful to refer to an isotropic radiator? A. When comparing the gains of directional antennas B. When testing a transmission line for standing wave ratio C. When (in the northern hemisphere) directing the transmission in a southerly direction D. When using a dummy load to tune a transmitter

Description : When is it useful to refer to an isotropic radiator? A. When comparing the gains of directional antennas B. When testing a transmission line for standing wave ratio C. When (in the northern ... ) directing the transmission in a southerly direction D. When using a dummy load to tune a transmitter

Last Answer : A. When comparing the gains of directional antennas

What is the term for the ratio of actual velocity at which a signal travels through a line to the speed of light in a vacuum? A. Velocity factor B. Characteristic impedance C. Surge impedance D. Standing wave ratio

Description : What is the term for the ratio of actual velocity at which a signal travels through a line to the speed of light in a vacuum? A. Velocity factor B. Characteristic impedance C. Surge impedance D. Standing wave ratio

Last Answer : A. Velocity factor

The standing wave ratio is equal to ________ if the load is properly matched with the transmission line. A. 1 B. 50 C. 10 D. 2

Description : The standing wave ratio is equal to ________ if the load is properly matched with the transmission line. A. 1 B. 50 C. 10 D. 2

Last Answer : A. 1

The standing wave ratio of short circuited and open circuited lines will be a) 0 b) 1 c) -1 d) ∞

Description : The standing wave ratio of short circuited and open circuited lines will be a) 0 b) 1 c) -1 d) ∞

Last Answer : d) ∞

For matched line, the standing wave ratio will be a) 0 b) ∞ c) -1 d) 1

Description : For matched line, the standing wave ratio will be a) 0 b) ∞ c) -1 d) 1

Last Answer : d) 1

The range of the standing wave ratio is a) 0 < S < 1 b) -1 < S < 1 c) 1 < S < ∞ d) 0 < S < ∞

Description : The range of the standing wave ratio is a) 0 < S < 1 b) -1 < S < 1 c) 1 < S < ∞ d) 0 < S < ∞

Last Answer : c) 1 < S < ∞

Find the standing wave ratio, when a load impedance of 250 ohm is connected to a 75 ohm line. a) 0.3 b) 75 c) 250 d) 3.33

Description : Find the standing wave ratio, when a load impedance of 250 ohm is connected to a 75 ohm line. a) 0.3 b) 75 c) 250 d) 3.33

Last Answer : d) 3.33

Ratio of the velocity of propagation of a light ray in free space to the velocity of propagation of a light ray in free space in a given material. ∙ A. refractive index ∙ B. standing wave ratio ∙ C. velocity factor ∙ D. propagation velocity

Description : Ratio of the velocity of propagation of a light ray in free space to the velocity of propagation of a light ray in free space in a given material. ∙ A. refractive index ∙ B. standing wave ratio ∙ C. velocity factor ∙ D. propagation velocity

Last Answer : ∙ A. refractive index

Define standing wave ratio.

Description : Define standing wave ratio. 

Last Answer : Standing wave ratio is defined as the ratio of maximum voltage (Vmax) to minimum voltage (Vmin). Standing wave ratio is also defined as the ratio of maximum current (Imax) to minimum current (Imin).

The standing wave ratio of a 75 Ω transmission line used to feed a 300 Ω resistive load will be _____.

Description : The standing wave ratio of a 75 Ω transmission line used to feed a 300 Ω resistive load will be _____.

Last Answer : The standing wave ratio of a 75 Ω transmission line used to feed a 300 Ω resistive load will be 4.

What is the fundamental difference between the phase relationship of the harmonics of the square wave as compared to the harmonics of a peaked wave?

Description : What is the fundamental difference between the phase relationship of the harmonics of the square wave as compared to the harmonics of a peaked wave?

Last Answer : All the odd harmonics are in phase with the fundamental in the square wave. This is not true of the odd harmonics in the peaked wave.

How should a tape recorder with good phase response reproduce a complex waveform, such as a square wave?

Description : How should a tape recorder with good phase response reproduce a complex waveform, such as a square wave?

Last Answer : With no distortion

In the inverting configuration, what is the voltage (for all practical purposes) at the inverting input to the operational amplifier if the input signal is a 1-volt, peak-to-peak sine wave?

Description : In the inverting configuration, what is the voltage (for all practical purposes) at the inverting input to the operational amplifier if the input signal is a 1-volt, peak-to-peak sine wave?

Last Answer : 0 volts.

In a full-wave voltage doubler, are the capacitors connected in series or in parallel with the output load?

Description : In a full-wave voltage doubler, are the capacitors connected in series or in parallel with the output load?

Last Answer : In parallel.

If a half-wave rectifier is added to a half-wave voltage doubler, the resulting circuit is a voltage ___

Description : If a half-wave rectifier is added to a half-wave voltage doubler, the resulting circuit is a voltage ___

Last Answer : Trippler.

A half-wave voltage doubler is made up of how many half wave rectifiers?

Description : A half-wave voltage doubler is made up of how many half wave rectifiers?

Last Answer : Two.

What is the average voltage (Eavg) Output of a full-wave rectifier with an output of 100 volts peak?

Description : What is the average voltage (Eavg) Output of a full-wave rectifier with an output of 100 volts peak?

Last Answer : 63.7 volts.

If the output of a half-wave rectifier is 50-volts peak, what is the average voltage

Description : If the output of a half-wave rectifier is 50-volts peak, what is the average voltage

Last Answer : 15.9 volts.

What characteristic is determined by the time required for a voltage wave to travel from the input end of an artificial transmission line to the output end and back again?

Description : What characteristic is determined by the time required for a voltage wave to travel from the input end of an artificial transmission line to the output end and back again?

Last Answer : Pulse width

What characteristic is determined by the time required for a voltage wave to travel from the input end of an artificial transmission line to the output end and back again?

Description : What characteristic is determined by the time required for a voltage wave to travel from the input end of an artificial transmission line to the output end and back again?

Last Answer : Pulse width.

What is the average voltage (Eavg) output of a full-wave rectifier that has an output of 100 volts peak?

Description : What is the average voltage (Eavg) output of a full-wave rectifier that has an output of 100 volts peak?

Last Answer : 63.6 volts.

What is the equation for determining average voltage in a half-wave rectifier?

Description : What is the equation for determining average voltage in a half-wave rectifier?

Last Answer : Eavg = 0.318 × Emax

If the electricity represented by the wave form in 'B' were applied to the left side of the illustrated circuit, the output on the right side would be ____________. EL-0064 A. direct current with the top lead positive with repect to the lower lead B. direct current, half wave rectified with a ripple frequency of 60 hz C. direct current with the top lead negative with repect to the lower lead D. clipped to a value equal to the square root of 3 times the input voltage value

Description : If the electricity represented by the wave form in 'B' were applied to the left side of the illustrated circuit, the output on the right side would be ____________. EL-0064 A. direct current with the ... lower lead D. clipped to a value equal to the square root of 3 times the input voltage value

Last Answer : Answer: C

The wavelength of the wave associated with the moving object is a) Directly proportional to the accelerating voltage b) Directly proportional to the square of accelerating voltage c) Inversely proportional to the square root of accelerating voltage d) Inversely proportional to the accelerating voltage

Description : The wavelength of the wave associated with the moving object is a) Directly proportional to the accelerating voltage b) Directly proportional to the square of accelerating voltage c) ... proportional to the square root of accelerating voltage d) Inversely proportional to the accelerating voltage

Last Answer : c) Inversely proportional to the square root of accelerating voltage

If a transformer primary is energised from a square wave voltage source, its output voltage will be (A) A square wave. (B) A sine wave. (C) A triangular wave. (D) A pulse wave.

Description : If a transformer primary is energised from a square wave voltage source, its output voltage will be (A) A square wave. (B) A sine wave. (C) A triangular wave. (D) A pulse wave.

Last Answer : (A) A square wave.

If a capacitance is charged by a square wave current source, then the voltage across the capacitor will be

Description : If a capacitance is charged by a square wave current source, then the voltage across the capacitor will be (a) Square wave (b) Step function (c) Triangular wave (d) Zero

Last Answer : If a capacitor is charged by a square wave current source, the voltage across the capacitor is : triangular wave

The time/div and voltage/div axes of an oscilloscope have been erased. When a 1 kHz, 5V p-p square wave

Description : The time/div and voltage/div axes of an oscilloscope have been erased. When a 1 kHz, 5V p-p square wave calibration pulse is connected to channel 1 ofthe scope the waveform observed on the screen ... channels are the same, the amplitude (pp) and period of the unknown signal are respectively.

Last Answer : The time/div and voltage/div axes of an oscilloscope have been erased. When a 1 kHz, 5V p-p square wave calibration pulse is connected to channel 1 ofthe scope the waveform observed on the screen is ... are the same, the amplitude (pp) and period of the unknown signal are respectively. 7.5 V, 2ms

The output voltage waveform of a three-phase square-wave inverter contains

Description : The output voltage waveform of a three-phase square-wave inverter contains  (A) only even harmonics (B) both odd and even harmonic (C) only odd harmonics (D) only triple harmonics

Last Answer : C

A single-phase voltage source square -wave inverter feeds pure inductive load. The waveform of the load current will be

Description : A single-phase voltage source square -wave inverter feeds pure inductive load. The waveform of the load current will be

Last Answer : A single-phase voltage source square -wave inverter feeds pure inductive load. The waveform of the load current will be triangular

If a transformer primary is energised from a square wave voltage source, its output voltage will be a: ...

Description : If a transformer primary is energised from a square wave voltage source, its output voltage will be a:  (A) square wave (B) sine wave (C) triangular wave (D) pulse wave

Last Answer : D

Why does adding dc vice ac bias voltage to the input signal result in a poor signal-to-noise ratio (SNR)?

Description : Why does adding dc vice ac bias voltage to the input signal result in a poor signal-to-noise ratio (SNR)?

Last Answer : With dc bias, the SNR is poor because only a small portion of the magnetism curve is straight enough to use, thus the output signal is weak compared with the natural tape hiss.

If we wrap a second wire around a guitar string to increase its mass what effect does this have on the frequency and wavelength of the fundamental standing wave formed on that string?

Description : If we wrap a second wire around a guitar string to increase its mass what effect does this have on the frequency and wavelength of the fundamental standing wave formed on that string?

Last Answer : What is the answer ?

Electronic equipment used to measure standing wave ration. A. Reflectometer B. Wavemeter C. Altimeter D. Multimeter

Description : Electronic equipment used to measure standing wave ration. A. Reflectometer B. Wavemeter C. Altimeter D. Multimeter

Last Answer : A. Reflectometer

For a given system, the minimum frequency of a standing wave is in a A. fundamental mode B. lowest mode C. highest mode D. peak mode

Description : For a given system, the minimum frequency of a standing wave is in a A. fundamental mode B. lowest mode C. highest mode D. peak mode

Last Answer : fundamental mode

A string of length L is fixed between two points. If a standing wave of 5 nodes is produced, what is the relationship between the string's length, L, and its wavelength?

Description : A string of length L is fixed between two points. If a standing wave of 5 nodes is produced, what is the relationship between the string's length, L, and its wavelength?

Last Answer : ANSWER: WAVELENGTH = 1/2 L

A wave and its reflection produce a standing wave with the distance from NODE to nearest ANTINODE of 4 meters. The wavelength of this wave is: w) 4 meters x) 8 meters y) 12 meters z) 16 meters

Description : A wave and its reflection produce a standing wave with the distance from NODE to nearest ANTINODE of 4 meters. The wavelength of this wave is: w) 4 meters x) 8 meters y) 12 meters z) 16 meters

Last Answer : ANSWER: Z -- 16 METERS

What is the amplitude of a standing wave at its node?

Description : What is the amplitude of a standing wave at its node?

Last Answer : ANSWER: 0

A standing wave is formed on a tightly stretched string. The distance between a node and an antinode is: w) 1/8 wavelength x) 1/4 wavelength y) 1/2 wavelength z) 1 wavelength

Description : A standing wave is formed on a tightly stretched string. The distance between a node and an antinode is: w) 1/8 wavelength x) 1/4 wavelength y) 1/2 wavelength z) 1 wavelength

Last Answer : ANSWER: X -- 1/4 WAVELENGTH

The phase angle corresponding to λ/4 in a standing– wave pattern is:

Description : The phase angle corresponding to λ/4 in a standing– wave pattern is: (1) 30° (2) 90° (3) 135° (4) 180°

Last Answer : The phase angle corresponding to λ/4 in a standing– wave pattern is: 90°

An AC supply of 230 V is applied to half wave rectifier circuit. A transformer turns ratio is 20 : 1. Find i) Output DC voltage (ii) Peak Inverse Voltage (PIV)

Description : An AC supply of 230 V is applied to half wave rectifier circuit. A transformer turns ratio is 20 : 1. Find i) Output DC voltage (ii) Peak Inverse Voltage (PIV)

Last Answer : Solution:

Pick up the correct statement from the following: (A) The property of a soil that enables it to become stiff in a relatively short time on standing is called thixotropy (B) The ratio of shear strength in natural state to the remoulded shear strength under undrained conditions is called degree of sensitivity (C) The difference between the undisturbed shear strength and remoulded shear strength is known remoulding loss (D) All the above

Description : Pick up the correct statement from the following: (A) The property of a soil that enables it to become stiff in a relatively short time on standing is called thixotropy (B) The ratio ... the undisturbed shear strength and remoulded shear strength is known remoulding loss (D) All the above

Last Answer : (D) All the above