1 Answer

Answer :

 In a free running oscilloscope, the horizontal deflection system is driven by a Ramp waveform

Related questions

Description : What kind of voltage is applied to the horizontal deflection plates of the oscilloscope?

Last Answer : sweep voltage

Description : The waveform of a certain signal can be studied by – (1) Spectrometer (2) Cathode ray oscilloscope (3) p - n junction diode (4) Sonometer

Last Answer : (4) Sonometer Explanation: A spectrometer is an instrument used to measure properties of light over a specific portion of the electromagnetic spectrum. Cathode ray oscilloscope is an electronic display ... electron beam that is used to produce visible patterns or graphs on a phosphorescent screen.

Description : The ___ provides the visual display showing the form of the signal applied as a waveform on the front screen of a cathode ray oscilloscope

Last Answer : CRT

Description : The waveform of a certain signal can be studied by (1) Spectrometer (2) Cathode ray oscilloscope (3) p – n junction diode (4) Sonometer

Last Answer : Sonometer

Description : A diesel driven emergency generator is prevented from being paralleled with the ship's service generators by __________. A. an electrical interlock system B. an automatic paralleling trip switch C. the synchronizing oscilloscope D. the reverse current relay

Last Answer : Answer: A

Description : Generally, oscilloscope uses what type of deflection?

Last Answer : electrostatic deflection

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

Description : The time base signal in Cathode Ray Oscilloscope (CRO) is  (1) A square wave signal (2) A sawtooth signal (3) A triangular wave signal (4) A sinusoidal signal

Last Answer : 2 Saw tooth 

Last Answer : An oscilloscope indicates Peak to peak value of voltage.

Description : Weins bridge is used for measurement of frequency in the applied voltage waveform is measurement of frequency in the applied voltage waveform is   (A)sinusoidal (B) square (C) rectangular (D) triangular

Last Answer : Weins bridge is used for measurement of frequency in the applied voltage waveform is measurement of frequency in the applied voltage waveform is sinusoidal 

Description : it is a Cultivator with tines or blades mounted on a power driven horizontal shaft. A. Disc cultivator. C Rotary cultivator B. Tine cultivator. D Trailed type cultivator

Last Answer : Rotary cultivator

Description : A 0-10 A ammeter has a guaranteed accuracy of 1% of full scale deflection, the limiting error while reading 2.5 A will be (a) 1% (b) 2% (c) 4% (d) None of these 

Last Answer : A

Description : A permanent magnet moving coil ammeter has a coil resistance of 99 ohm and Full Scale Deflection (FSD) current of 0.1mA. Shunt resistance is 1 ohm. Current through the meter at 0.5 F.S.D is:

Last Answer : A permanent magnet moving coil ammeter has a coil resistance of 99 ohm and Full Scale Deflection (FSD) current of 0.1mA. Shunt resistance is 1 ohm. Current through the meter at 0.5 F.S.D is: 0.05mA

Description : In a galvanometer, the deflection becomes one half when the galvanometer is shunted by a 20 ohm resistor. The galvanometer resistance is 

Last Answer : In a galvanometer, the deflection becomes one half when the galvanometer is shunted by a 20 ohm resistor. The galvanometer resistance is 10 Ohm

Description : A moving coil instrument has a resistance of 10 W and gives full scale deflection when carrying a current of 50 mA. To measure current upto 100 A, we will have to connect • 10 W resistance in series • 10 W resistance in parallel • 10/1999 W resistance in series • 10/1999 W resistance in parallel

Last Answer : A moving coil instrument has a resistance of 10 W and gives full scale deflection when carrying a current of 50 mA. To measure current upto 100 A, we will have to connect 10/1999 W resistance in parallel

Last Answer :  In a gravity controlled instrument, the deflection angle is proportional to sine inverse of measurand.

Description : The full-scale deflection current of an ammeter is 1 mA and its internal resistance is 100Ohm. This is to have full deflection when 100V is measured. What is the value of series resistor to be used?

Last Answer : The full-scale deflection current of an ammeter is 1 mA and its internal resistance is 100Ohm. This is to have full deflection when 100V is measured. 99.99 K ohms is the value of series resistor to be used.

Description :  The full-scale deflection current of an ammeter is 1 mA and its internal resistance is 100Ohm. If this meter is to have full deflection at 5A, what is the value of the shunt resistance to be used?

Last Answer :  The full-scale deflection current of an ammeter is 1 mA and its internal resistance is 100Ohm. If this meter is to have full deflection at 5A, 1/49.99 ohms is the value of the shunt resistance to be used.

Last Answer : The instrument having its deflection depends upon average value is:  Rectifier type

Last Answer : If two meters X and Y requires 40mA and 50mA respectively, to give full scale deflection, then: X is more sensitive

Last Answer : The deflection of hot-wire instrument depends on: RMS value of the alternating current

Last Answer : A sensitive galvanometer produces large deflection for a small value of current.

Description : Draw and explain block diagram of Horizontal deflection system. 

Last Answer :  Trigger circuit: A trigger circuit is used to convert the incoming signal into trigger pulses, so that the input signal and the sweep frequency can be synchronized. The trigger circuit is ... before it is applied to the horizontal section. The block consists of a push- pull amplifier  

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. 

Description : If a single phase motor is driven in any direction by any means, it starts running in that direction. Explain why?

Last Answer : Actually a pulsating torque has two components which are equal in magnitude and rotate in opposite direction with synchronous speed at unity slip. Now if the motor rotates in any direction, the ... component in this direction increases than the other component and hence motor runs in that direction.

Description : The horizontal deflection of a parabolic curved beam of span 10 m and rise 3 m when loaded with  a uniformly distributed load l t per horizontal length is (where Ic  is the M.I. at the crown, which  varies as the slope ... arch).  (A) 50/EIc (B) 100/EIc (C) 150/EIc (D) 200/E

Last Answer : (D) 200/E

Description : The deflection at any point of a perfect frame can be obtained by applying a unit load at the joint in (A) Vertical direction (B) Horizontal direction (C) Inclined direction (D) The direction in which the deflection is required

Last Answer : (D) The direction in which the deflection is required

Description : The horizontal-deflection plates are used to produce what function?

Last Answer : Time and/or frequency relationships.

Description : The horizontal-deflection plates are used to produce what function?

Last Answer : Time and/or frequency relationships.

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

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

Last Answer : Horizontal

Description : In free market system producers are most strongly driven by?

Last Answer : The profit motive.Because the producer and consumer are typically different individuals even in developing. Because the public image of marketing is so negative, especially in most ... relinquishing all food distribution authority to the free workings of the market.

Description : How does an oscilloscope measure frequency and voltage?

Last Answer : Maybe not the most helpful, but here’s a schematic of a digital oscilloscope: http://www.sparkfun.com/datasheets/Kits/DIY-Oscope-schematic.pdf

Description : Will an oscilloscope probe be used in future medical procedures?

Last Answer : In a certain sense oscilloscope probes are already being used in medicine today. An oscilloscope is simply a machine that visually represents changes in voltage. Thats what EKG and EEG machines do - they measure the electrical activity in your heart and brain respectively and use probes to do it.

Description : Where can I purchase a digital oscilloscope?

Last Answer : Before purchasing a digital oscilloscope, make sure you are aware of all the factors in which you will be using the product. You can purchase (or even rent) the item from http://www.electrorent.com.

Description : Which instrument is used to record the speed of a vehicle? (1) Thermometer (2) Barometer (3) Speedometer (4) Oscilloscope

Last Answer : (3) Speedometer Explanation: Speedometer, instrument that indicates the speed of a vehicle, usually combined with a device known as an odometer that records the distance traveled.

Description : Which instrument is used to record Atmospheric pressure? (1) Thermometer (2) Barometer (3) Seismometer (4) Oscilloscope

Last Answer : (2) Barometer Explanation: A barometer is a scientific instrument used in meteorology to measure atmospheric pressure. A barometer using mercury is common. This is often recorded as mm Hg.

Description : What device measures rf power by measuring the heat the rf power generates? A. Calorimeter B. Goniometer C. Spectrum meter D. Oscilloscope

Last Answer : A. Calorimeter

Description : An instrument for recording waveforms of audio frequency. A. Oscilloscope B. Phonoscope C. Radioscope D. Audioscope

Last Answer : B. Phonoscope

Description : Which tester is used to measure SWR? A. Spectrum analyzer B. Multimeter C. Reflectometer D. Oscilloscope

Last Answer : C. Reflectometer

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

Description : Which network component/s is/are involved in the Presentation layer of an OSI model? a. Gateway b. Multiplexer & Oscilloscope c. Amplifier & Hub d. All of the above

Last Answer : a. Gateway

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

Description : Non-contact speed measurements can be carried out by a) Tachometer b) Stroboscope c) Oscilloscope d) Speedometer

Last Answer : Stroboscope

Description : Ideally, an oscilloscope presentation should cover what vertical portion of the screen?

Last Answer : At least 60% of the vertical trace.

Description : What do you call an oscilloscope that uses sampling techniques in processing signals having frequencies beyond its normal capabilities?

Last Answer : sampling oscilloscope

Description : An oscilloscope provides easy measurement of __ values.

Last Answer : peak to peak

Description : In an oscilloscope, ___ adjusts the brightness of the spot by chaning the current on the control grid.

Last Answer : intensity control

Description : What is being controlled at the potentials between anode of an oscilloscope?

Last Answer : Focus

Description : Considered as the "heart" of the cathode ray oscilloscope.

Last Answer : cathode ray tube (CRT)