In a CRO which of the following is not a part of electron gun:

In a CRO which of the following is not a part of electron gun: (1) Cathode (2) Grid (3) Accelerating anode (4) X–Y plates 
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In a CRO which of the following is not a part of electron gun: X–Y plates 

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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 

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 

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

Which of the following is not a part of a CRT? (1) Phosphor screen (2) Shadow mask (3) Electron gun (4) Gas plasma

Description : Which of the following is not a part of a CRT? (1) Phosphor screen (2) Shadow mask (3) Electron gun (4) Gas plasma

Last Answer : (4) Gas plasma Explanation: The cathode ray tube (CRT) is a vacuum tube containing an electron gun (a source of electrons or electron emitter) and a fluorescent screen used to view images. Colour tubes ... stripes (as in aperture grille designs) or clusters called "triads" (as in shadow mask CRTs).

Which of the following is not a part of a CRT ? (1) Phosphor screen (2) Shadow mask (3) Electron gun (4) Gas plasma

Description : Which of the following is not a part of a CRT ? (1) Phosphor screen (2) Shadow mask (3) Electron gun (4) Gas plasma

Last Answer : Gas plasma

Electron are emitted from an electron gun at almost zero velocity and are accelerated by an electric field `E` through a distance of `1.0m` The electr

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An electron gun emits `2.0xx10^(16)` electrons per second. What is the associated current ?

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Why are the electrostatic fields between the electron gun elements called lenses?

Description : Why are the electrostatic fields between the electron gun elements called lenses?

Last Answer : Because they bend electron streams in much the same manner that optical lenses bend light rays.

What portion of an electron gun causes the electrons to accelerate or decelerate?

Description : What portion of an electron gun causes the electrons to accelerate or decelerate?

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A circuit which develops voltage across the horizontal deflection plates is known as a) Time base generator b) Electron gun c) Thermionic diode d) Zener diode

Description : A circuit which develops voltage across the horizontal deflection plates is known as a) Time base generator b) Electron gun c) Thermionic diode d) Zener diode

Last Answer : a) Time base generator

Which of the following is/are the components of a CRT ? (a) Electron Gun (b) Control Electrode (c) Focusing Electrode (d) Phosphor Coated Screen Codes : (A) (a) and (d) (B) (a), (b) and (d) (C) (a), (b), (c) and (d) (D) (a), (c) and (d)

Description : Which of the following is/are the components of a CRT ? (a) Electron Gun (b) Control Electrode (c) Focusing Electrode (d) Phosphor Coated Screen Codes : (A) (a) and (d) (B) (a), (b) and (d) (C) (a), (b), (c) and (d) (D) (a), (c) and (d) 

Last Answer : (C) (a), (b), (c) and (d)

Which of the following statement(s) is/are correct? (1) Persistence is the term used to describe the duration of phosphorescence. (2) The control electrode is used to turn the electron beam on and off. (3) The electron gun creates a source of electrons which are focussed into a narrow beam directed at the face of CRT. (4) All of the above.

Description : Which of the following statement(s) is/are correct? (1) Persistence is the term used to describe the duration of phosphorescence. (2) The control electrode is used to turn the electron beam on and off. (3) ... which are focussed into a narrow beam directed at the face of CRT. (4) All of the above. 

Last Answer : All of the above.

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

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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?

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Who were the cro-mangon?

Description : Who were the cro-mangon?

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What is the oxidation state of chromium in CrO?

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

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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

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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

What is the full form of CRO? A. Cost Rate Optimization B. Conversion Rate Optimization C. Click Rate Optimization D. None of the above

Description : What is the full form of CRO? A. Cost Rate Optimization B. Conversion Rate Optimization C. Click Rate Optimization D. None of the above

Last Answer : B. Conversion Rate Optimization

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 anodes in a CRO are at ___________ potential with respect to the cathode a) negative b) high negative c) high positive d) positive

Description : The anodes in a CRO are at ___________ potential with respect to the cathode a) negative b) high negative c) high positive d) positive

Last Answer : c) high positive

The output waveform produced due to time base generator in a CRO is a) saw tooth b) sinusoidal c) linear d) helical

Description : The output waveform produced due to time base generator in a CRO is a) saw tooth b) sinusoidal c) linear d) helical

Last Answer : a) saw tooth

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 extinct human who lived 1,00,000 to 40,000 years ago, in Europe, Asia and parts of Africa, with short stature, heavy eye brows, retreating for heads, large jaws with heavy teeth, stocky bodies, a lumbering gait and stooped posture was (1) Ramapithecus (2) Homo habilis (3) Neanderthal human (4) Cro-magnan humans

Description : The extinct human who lived 1,00,000 to 40,000 years ago, in Europe, Asia and parts of Africa, with short stature, heavy eye brows, retreating for heads, large jaws with heavy teeth, stocky ... and stooped posture was (1) Ramapithecus (2) Homo habilis (3) Neanderthal human (4) Cro-magnan humans

Last Answer : (3) Neanderthal human

State and describe different triggering available in CRO

Description : State and describe different triggering available in CRO

Last Answer : A trigger is an external signal or input signal condition that initiates one or more instrument functions. Trigger settings include digital edges, software functions, and analog levels. This tutorial ... the external trigger input. The following figure shows an entering window trigger.  

Draw the basic block diagram of single trace CRO and describe the function of delay line.

Description : Draw the basic block diagram of single trace CRO and describe the function of delay line.

Last Answer : Function of Delay line: This block is used to delay the signal for a period of time in the vertical section of CRT. The input signal is not applied directly to the vertical plates because the part ... when the delay time is not used. Therefore, the input signal is delayed by a period of time. 

Explain the concept of single beam dual trace CRO with its block diagram.

Description : Explain the concept of single beam dual trace CRO with its block diagram.

Last Answer : Diagram:   Explanation: The single beam dual trace CRO consists of one electron gun, an electronic switch which switches the two signals to a single vertical amplifier and a single pair of ... Amplifier are identical & have the same delay time, accurate X-Y measurements can be taken. 

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.

State the difference between CRO and DSO.

Description : State the difference between CRO and DSO.

Last Answer : CRO DSO Direcly reads analog voltage and displays it on screen. It reads the analog voltage and converts it into digital form before being displayed on the screen. ... DSP algorithms available and ported on microprocessor which can operate on stored samples of input voltage. 

List different types of CRO probes

Description : List different types of CRO probes

Last Answer : 1. Passive probes 2. Active probes 3. High voltage probes 4. Current probes 5. Differential probes

Draw and describe horizontal deflection system in CRO

Description : Draw and describe horizontal deflection system in CRO 

Last Answer : Block Diagram: Explanation: Input from vertical amplifier is given to Horizontal system. Trigger circuit: a. A trigger circuit is used to convert the incoming signal into trigger ... : Horizontal amplifier amplifies the signal & passes the signal to horizontal plates of CRT. 

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.

Sketch block diagram of single trace CRO. State function of delay line.

Description : Sketch block diagram of single trace CRO. State function of delay line.

Last Answer : Function of Delay line: This block is used to delay the signal for a period of time in the vertical section of CRT. The input signal is not applied directly to the vertical plates because the part ... when the delay time is not used. Therefore, the input signal is delayed by a period of time.

Give any four points of comparison between dual trace CRO & dual beam CRO.

Description : Give any four points of comparison between dual trace CRO & dual beam CRO.

Last Answer : Sr.N o Single Beam Dual Trace CRO Dual Beam Dual Trace CRO 1 A single electron beam is used to display two traces.  Two electron beams are used for displaying two traces/signals. ... two traces is very simple in Dual Beam oscilloscope. 6 Cost is less  Cost is high

List four controls on front panel of dual trace CRO.

Description : List four controls on front panel of dual trace CRO. 

Last Answer : (i)X-shift on CRO: Controls the horizontal position of the display i.e moves the spot across the screen left and right. ii) CT MODE Button on CRO: To test different components iii) Symmetry knob on ... Button on CRO: In DUAL, operates as a DUAL trace scope in ALT or CHOP mode as selected.

List four applications of CRO.

Description : List four applications of CRO.

Last Answer : Applications of CRO: 1. It is used in laboratory for measurement of AC/DC voltage, current, frequency, phase and study nature of waveform. 2. It is used in TV receiver for creation of ... modulation percentage of modulated wave. 10. It is also used to check radiation pattern generated by antenna.

State need of delay line in CRO.

Description : State need of delay line in CRO. 

Last Answer : The delay line is used in CRO to delay the signal for some time in thevertical sections. As horizontal channel consists of trigger circuit andtime based generator. This causes more time to reach ... vertical plates. For synchronization of reachinginput signal at same time to both the plates in CRT. 

Compare CRO and DSO. State the formula for phase measurement using CRO with necessary diagram.

Description : Compare CRO and DSO. State the formula for phase measurement using CRO with necessary diagram.

Last Answer : CRO DSO Directly reads analog voltage and displays it on screen. It reads the analog voltage and converts it into digital form before being displayed on the screen. ... algorithms available and ported on microprocessor which can operate on stored samples of input voltage.

Sketch Block diagram of vertical deflection system used in CRO.

Description : Sketch Block diagram of vertical deflection system used in CRO.

Last Answer : Block diagram of vertical deflection system used in CRO

Draw block diagram of CRO and explain function of each block of it.

Description : Draw block diagram of CRO and explain function of each block of it. 

Last Answer : The functions of various blocks are: 1) CRT: This is cathode ray tube which emits electrons that strike phosphor screen internally to provide visual display of signal. 2) VERTICAL AMPLIFIER ... are two power supplies a high voltage supply for CRT & low voltage supply for all circuits.