Lissajous pattern obtained on a CRO screen is a circle. Frequency of two signals are

Lissajous pattern obtained on a CRO screen is a circle. Frequency of two signals are 

 (a) Equal (b) Unequal (c) Zero (d) Infinity 
by

1 Answer

Answer :

a
by

Related questions

The Lissajous pattern obtained on a CRO in used to determine:

Last Answer : The Lissajous pattern obtained on a CRO in used to determine: Phase shift and frequency

The Lissajous pattern on the screen of a CRO is an ellipse with major axis in quadrant 2 and quadrant 4.

Description : The Lissajous pattern on the screen of a CRO is an ellipse with major axis in quadrant 2 and quadrant 4. Then the phase difference between two signals Can be :  (A) 270° (B) 210° (C) 180° (D) 300°

Last Answer : The Lissajous pattern on the screen of a CRO is an ellipse with major axis in quadrant 2 and quadrant 4. Then the phase difference between two signals Can be : 210°

The Lissajous pattern observed on screen of CRO is a straight line inclined at 45° to x axis. If X–plate input is

Description : The Lissajous pattern observed on screen of CRO is a straight line inclined at 45° to x axis. If X–plate input is 2 sin ωt, the Y–plate input is (1) 2 sin ωt (2) 2 sin (ωt + 45°) (3) 2 sin (ωt – 45°) (4) 22 sin ωt + 45°) 

Last Answer : The Lissajous pattern observed on screen of CRO is a straight line inclined at 45° to x axis. If X–plate input is 2 sin ωt, the Y–plate input is 2 sin ωt 

Consider the following statements with regard to Lissajous pattern on a CRO : 1. It is a stationary pattern on...

Description : Consider the following statements with regard to Lissajous pattern on a CRO :  1. It is a stationary pattern on the CRO.  2. It is used for precise measurement of frequency of a voltage signal.  3. The ratio between frequencies ... /are correct ?  (a) 1 only (b) 2 only (c) 3 only (d) 1, 2 and 3

Last Answer : Consider the following statements with regard to Lissajous pattern on a CRO :  1. It is a stationary pattern on the CRO.  2. It is used for precise measurement of frequency of a voltage signal.  3. The ratio between ... /are correct ?  (a) 1 only (b) 2 only (c) 3 only (d) 1, 2 and 3

Describe with suitable example; frequency measurement by Lissajous patterns on CRO.

Description : Describe with suitable example; frequency measurement by Lissajous patterns on CRO. 

Last Answer : * Initially the unknown frequency signal is connected to vertical deflection plates of CRO. * Now switch of the internal sweep generator of the horizontal deflecting system. * A standard source ... explain by following example: Assume horizontal input frequency is 10 kHz for following pattern

Explain measurement of phase and frequency using Lissajous pattern. Write the formula for each one.

Description : Explain measurement of phase and frequency using Lissajous pattern. Write the formula for each one.

Last Answer : Phase measurement of Lissajous pattern: The phase measurement can be done by using Lissajous figures. The CRO is set to operate in the X- Y mode, then the display obtained on the screen of a ... or sub- multiple of the unknown frequency.  The Lissajous pattern appears stationary.     

Define Lissajous pattern. Explain how Lissajous pattern is useful for frequency and phase measurement.

Description : Define Lissajous pattern. Explain how Lissajous pattern is useful for frequency and phase measurement.

Last Answer : Lissajous Pattern : The CRO is set to operate in the X- Y mode, when two sine waves of the same frequency are applied to the CRO (One vertical and one horizontal deflection plates) then the display obtained on ... 1. Lissajous pattern for ratio 3:1    2. Lissajous pattern for ratio 3:2  

On oscilloscope screen for dynamic measurement, lissajous diagram is normally used to determine the __________ of the input signal. (A) Frequency (B) Amplitude (C) Damping (D) None of these

Description : On oscilloscope screen for dynamic measurement, lissajous diagram is normally used to determine the __________ of the input signal. (A) Frequency (B) Amplitude (C) Damping (D) None of these

Last Answer : (A) Frequency

The two inputs of a CRO are fed with two stationary periodic signals. In the X-Y mode, the screen shows a

Description : The two inputs of a CRO are fed with two stationary periodic signals. In the X-Y mode, the screen shows a figure Which changes from ellipse to circle and back to ellipse with its major ... frequencies very close but not equal D) There is a constant but small phase difference between the signals

Last Answer : The two inputs of a CRO are fed with two stationary periodic signals. In the X-Y mode, the screen shows a figure Which changes from ellipse to circle and back to ellipse with ... following inference can be made from this The signals are sinusoidal with their frequencies very close but not equal 

Two sinusoidal signals having the same amplitude and frequency are applied to the X and Y inputs of a CRO.

Description : Two sinusoidal signals having the same amplitude and frequency are applied to the X and Y inputs of a CRO. The observed Lissajous figure is straight line. The phase shift between the two signals would be (1) Zero (2) 90 degrees (3) Either zero or 180 degrees (4) Either 90 degrees or 270 degrees  

Last Answer : Two sinusoidal signals having the same amplitude and frequency are applied to the X and Y inputs of a CRO. The observed Lissajous figure is straight line. The phase shift between the two signals would be (1) Zero (2) 90 degrees (3) Either zero or 180 degrees (4) Either 90 degrees or 270 degrees  

In Fraunhofer diffraction pattern for single slit, a central maximum is obtained when angle of diffraction q is equal to zero. What it actually indicates? A. All the diffracted rays are parallel and focused by slit at a single point on screen B. All the diffracted rays are perpendicular and focused by slit at a single point on screen C. The rays are diffracted by the slit in all the directions D. The rays are reflected by the slit

Description : In Fraunhofer diffraction pattern for single slit, a central maximum is obtained when angle of diffraction q is equal to zero. What it actually indicates? A. All the diffracted rays are parallel and focused ... are diffracted by the slit in all the directions D. The rays are reflected by the slit

Last Answer : A. All the diffracted rays are parallel and focused by slit at a single point on screen

A CRO screen has ten divisions on the horizontal scale. If a voltage signal 5 sin 314t+45 deg)is examined with a line base settings of 5 msec/div, the number of cycles of signal displayed on the screen will be a) 0.5 cycles b) 2.5 cycles c) 5 cycles d) 10 cycles

Description : A CRO screen has ten divisions on the horizontal scale. If a voltage signal 5 sin 314t+45 deg)is examined with a line base settings of 5 msec/div, the number of cycles of signal displayed on the screen will be a) 0.5 cycles b) 2.5 cycles c) 5 cycles d) 10 cycles

Last Answer : Ans: 2.5 cycles

The ___________ of a CRO controls the brightness of the spot formed on the screen a) Filament b) Grid c) Deflection plates d) Cathode

Description : The ___________ of a CRO controls the brightness of the spot formed on the screen a) Filament b) Grid c) Deflection plates d) Cathode

Last Answer : b) Grid

The vertical deflection of an electron beam on the screen of a CRO is measured to be 8 mm. Now, the

Description : The vertical deflection of an electron beam on the screen of a CRO is measured to be 8 mm. Now, the potential difference between the Y-plates is doubled, and simultaneously the pre-accelerating anode voltage is reduced to half of ... on the screen would become (A) 64 mm (B) 32 mm (C) 8 mm (D) 1 mm

Last Answer : The vertical deflection of an electron beam on the screen of a CRO is measured to be 8 mm. Now, the potential difference between the Y-plates is doubled, and simultaneously the pre-accelerating ... of its previous value. Then, the vertical deflection of the beam on the screen would become 32 mm

Coherent light of a single frequency passes through a double slit with a separation d, to produce a pattern on a screen as distance D from the slits. What would cause the separation between adjacent minima on the screen to increase? A. A. increase the index of refraction of the medium in which the setup is immersed B. increase the separation d between the slits C. increase the distance D. increase the frequency of the incident light

Description : Coherent light of a single frequency passes through a double slit with a separation d, to produce a pattern on a screen as distance D from the slits. What would cause the separation between adjacent ... d between the slits C. increase the distance D. increase the frequency of the incident light

Last Answer : B. increase the separation d between the slits

Explain the measurement of voltage and frequency using CRO.

Description : Explain the measurement of voltage and frequency using CRO.

Last Answer : Voltage Measurement: CRO displays the voltage signal as a function of time on its screen. The amplitude of that voltage signal is constant, but we can vary the number of divisions that cover the voltage ... /division nv is the number of divisions that cover the signal in vertical direction.

Explain how CRO is used for measurement of frequency & amplitude with suitable diagram

Description : Explain how CRO is used for measurement of frequency & amplitude with suitable diagram

Last Answer : Voltage measurement/Amplitude: The most direct voltage measurement that can be made with the help of oscilloscope is the peak to peak value. The RMS value can be calculated from peak to peak value. ... is the time between two identical points of successive cycle of the waveform.

A piano tuner notices a standing Lissajous (pron: Liss-a-jew) curve on his oscilloscope. The tone being projected is: w) out of harmony x) sharp y) resonating z) flat

Description : A piano tuner notices a standing Lissajous (pron: Liss-a-jew) curve on his oscilloscope. The tone being projected is: w) out of harmony x) sharp y) resonating z) flat

Last Answer : ANSWER: Y -- RESONATING

What will be the phase shift for following Lissajous patterns?

Description : What will be the phase shift for following Lissajous patterns?

Last Answer : (i) Phase shift = 0° (ii) Phase shift = 90° or 270° (iii) Phase shift = 30° or 330° (iv) Phase shift = 180°

State significance of Lissajous figure.

Description : State significance of Lissajous figure. 

Last Answer : Significance of Lissajous figure. The characteristics patterns that appear on the screen of a cathode ray tube, when sinusoidal voltages are simultaneously applied to horizontal and vertical plates .these ... is presented as a Lissajous figure. it is used for measurement of phase and frequency.

A Lissajous patterns are used to measure

Last Answer : A Lissajous patterns are used to measure Frequency and Phase shift.

List any two applications of CRO.

Description : List any two applications of CRO.

Last Answer : Applications of CRO: 1) Measurement of phase and frequency. 2) Measurement of inductance and capacitance. 3) Tracing the waveform. 4) Determination of amplitude of variable quantity. 5) In ... in transmission lines 9) To check faulty components in various circuit 10) For tracing transistor curves

Compare analog CRO with digital storage oscilloscope (DSO).

Description : Compare analog CRO with digital storage oscilloscope (DSO).

Last Answer : Analog CRO DSO 1 High bandwidth Less bandwidth due to aliasing effect 2 High  writing speed about 15 GHz Limited speed 3 No memory Has memory ... Less storage time. The digital oscilloscope is  capable of an infinite storage time, using its digital memory.

List any four measure knobs on front panel on CRO.

Description : List any four measure knobs on front panel on CRO.

Last Answer : Knobs on front panel of CRO: 1. Power ON- OFF 2. Intensity control 3. Focus control 4. Astigmatism control 5. Volt/Div control 6. Vertical position control 7. Invert 8. Horizontal position control 9. Synchronization. 10. Channel selection.

Draw block diagram of CRO. Write function of each block.

Description : Draw block diagram of CRO. Write function of each block.

Last Answer : 1. Vertical amplifier strengthens the input signal applied to vertical depleting plates 2. Trigger circuit gives input to time base circuit 3. The output of time base generator is amplified by ... of CRT internally coated with Phosphors material on which we observe waveform of the input signal.

Delay line is essential in a CRO, to ensure that

Description : Delay line is essential in a CRO, to ensure that (a) Vertical signal starts after the retrace period of sweep signal (b) The sweep reaches the horizontal plates before the desired signal under consideration (c) Initial part of signal to be observed is not lost (d) All of the above

Last Answer : Delay line is essential in a CRO, to ensure that (a) Vertical signal starts after the retrace period of sweep signal (b) The sweep reaches the horizontal plates before the desired signal under consideration (c) Initial part of signal to be observed is not lost (d) All of the above

The function of input attenuators in measuring instruments, like VTVM and CRO, is to

Description : The function of input attenuators in measuring instruments, like VTVM and CRO, is to (a) Increase the input impedance (b) Attenuate the frequency range (c) Attenuate the input signal amplitude without altering the frequency contents (d) Attenuate the input impedance

Last Answer : The function of input attenuators in measuring instruments, like VTVM and CRO, is to Attenuate the input signal amplitude without altering the frequency contents

CRO is used to measure ________.

Description : CRO is used to measure ________. A. Amplitude B. Phase difference C. Frequency D. All of these 

Last Answer : D

CRO is used to _________.

Description : CRO is used to _________. A. produce frequency B. measure frequency C. produce phase difference D. none of these 

Last Answer : CRO is used to measure frequency.

In a CRO, the quantity to be measured is applied across

Description : In a CRO, the quantity to be measured is applied across  (1) focusing electrodes (2) cathode (3) Y-plates (4) X-plates

Last Answer : C

Horizontal deflection plates of CRO are placed generally

Description : Horizontal deflection plates of CRO are placed generally   (a) Horizontal (b) Vertical (c) Diagonal (d) (a) or (b)  

Last Answer : Horizontal

Best description of a collinear and broadside antenna radiation pattern. A. Bidirectional B. Perfect circle C. Unidirectional D. Omnidirectional

Description : Best description of a collinear and broadside antenna radiation pattern. A. Bidirectional B. Perfect circle C. Unidirectional D. Omnidirectional

Last Answer : A. Bidirectional

The best signals for VHF communications are obtained when the position of the aircraft is at :

Description : The best signals for VHF communications are obtained when the position of the aircraft is at :

Last Answer : high altitude and in the vicinity of the aerodrome

The signals which are obtained by encoding each quantized signal into a digital word is called as a) PAM signal b) PCM signal c) FM signal d) Sampling and quantization

Description : The signals which are obtained by encoding each quantized signal into a digital word is called as a) PAM signal b) PCM signal c) FM signal d) Sampling and quantization

Last Answer : b) PCM signal

Cro-Magnon man was

Description : Cro-Magnon man was

Last Answer : Cro-Magnon man was A. herbivorous B. frugivorous C. carnivorous D. omnnivorous

Homo erectus differed from Cro-Magnon Man in

Description : Homo erectus differed from Cro-Magnon Man in

Last Answer : Homo erectus differed from Cro-Magnon Man in A. Jaws proturding out B. Tool making C. Sloping jaws D. Arts and paintings

Cranial capacity of Cro-magnon man was :

Description : Cranial capacity of Cro-magnon man was :

Last Answer : Cranial capacity of Cro-magnon man was : A. 900 c c B. 1075 c c C. 1450 c c D. 1600 c c

In the given oxides of chromium, the oxide with higher ionic character and the oxide with higher basic nature respectively are: (i) `CrO` (ii) `CrO_(3

Description : In the given oxides of chromium, the oxide with higher ionic character and the oxide with higher basic nature respectively are: (i) `CrO` (ii) `CrO_(3

Last Answer : In the given oxides of chromium, the oxide with higher ionic character and the oxide with higher basic nature ... ) and CrO_(3)` D. `CrO and CrO`

What is one way that the lifestyle of cro-magnums differed from the lifestyle of Neanderthals?

Description : What is one way that the lifestyle of cro-magnums differed from the lifestyle of Neanderthals?

Last Answer : What is the answer ?

Who were the cro-mangon?

Description : Who were the cro-mangon?

Last Answer : It is Cro Magnon, and is a common name that has been used todescribe the first early modern humans (early Homo sapiens sapiens)that lived in the European Upper Paleolithic. About 45,000 yearsago, that could have been your great grandmother if you are ofEuropean descent.

Who were the cro-mangon?

Description : Who were the cro-mangon?

Last Answer : It is Cro Magnon, and is a common name that has been used todescribe the first early modern humans (early Homo sapiens sapiens)that lived in the European Upper Paleolithic. About 45,000 yearsago, that could have been your great grandmother if you are ofEuropean descent.

What is the oxidation state of chromium in CrO?

Description : What is the oxidation state of chromium in CrO?

Last Answer : The valence of chromium is 2 in CrO.

Ramapithecus and Cro-Magnon man are considered?

Description : Ramapithecus and Cro-Magnon man are considered?

Last Answer : ancestors of modern man

.Which of the following statements is correct regarding evolution of mankind? (a) Homo erectus is preceded by Homo habilis. (b) Neanderthal man and cro-magnon man were living at the same time. (c) Australopithecus was living in Australia. (d) None of these

Description : .Which of the following statements is correct regarding evolution of mankind? (a) Homo erectus is preceded by Homo habilis. (b) Neanderthal man and cro-magnon man were living at the same time. (c) Australopithecus was living in Australia. (d) None of these

Last Answer : d) None of these

Which one of the following statements is correct? (a) Australopithecus is the real ancestor of modern man. (b) Neanderthal man is the direct ancestor of Homo sapiens. (c) Homo erectus is the ancestor of man. (d) Cro-magnon man’s fossil has been found in Ethiopia.

Description : Which one of the following statements is correct? (a) Australopithecus is the real ancestor of modern man. (b) Neanderthal man is the direct ancestor of Homo sapiens. (c) Homo erectus is the ancestor of man. (d) Cro-magnon man’s fossil has been found in Ethiopia.

Last Answer : (d) Cro-magnon man’s fossil has been found in Ethiopia.

A squid axon is placed on stimulating electrodes, and an intracellular electrode is inserted and connected through a cathode-ray oscilloscope (CRO) to an indifferent electrode. When the axon is stimulated, the latent period is 1.5 ms. The intracellular electrode is 6 cm form the anode of the simulator and 4.5 cm from the cathode of the simulator. What is the conduction velocity of the axon. a. 15 m/s b. 30 m/s c. 40 m/s d. 67.5 m/s e. This cannot be determined from the information given

Description : A squid axon is placed on stimulating electrodes, and an intracellular electrode is inserted and connected through a cathode-ray oscilloscope (CRO) to an indifferent electrode. When the axon is stimulated, the latent ... . 40 m/s d. 67.5 m/s e. This cannot be determined from the information given

Last Answer : 30 m/s

Which of the following is most common areas where companies evaluate CRO? A. A/B testing B. Customer Journey Analysis C. Segmentation D. All of the above

Description : Which of the following is most common areas where companies evaluate CRO? A. A/B testing B. Customer Journey Analysis C. Segmentation D. All of the above

Last Answer : D. All of the above

Which of the following true statement about CRO? A. Decreased ROI B. Improve user base C. Increased acquisition cost D. All of the above

Description : Which of the following true statement about CRO? A. Decreased ROI B. Improve user base C. Increased acquisition cost D. All of the above

Last Answer : B. Improve user base

What is formula of CRO? A. Leads Generated / Website Traffic x 100 B. Leads Generated * Website Traffic / 100 C. Leads Generated + Website Traffic x 100 D. Leads Generated + Website Traffic / 100

Description : What is formula of CRO? A. Leads Generated / Website Traffic x 100 B. Leads Generated * Website Traffic / 100 C. Leads Generated + Website Traffic x 100 D. Leads Generated + Website Traffic / 100

Last Answer : A. Leads Generated / Website Traffic x 100

What is true about CRO? A. CRO is the process of optimizing the site to increase the likelihood that visitors B. Conversion Rate is a key metric in e-commerce C. The higher the conversion rate, the better. D. All of the above

Description : What is true about CRO? A. CRO is the process of optimizing the site to increase the likelihood that visitors B. Conversion Rate is a key metric in e-commerce C. The higher the conversion rate, the better. D. All of the above

Last Answer : D. All of the above