The advantage of a semiconductor strain gauge cover the wire round strain gauge is that

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Answer :

The advantage of a semiconductor strain gauge cover the wire round strain gauge is that it is more sensitive

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Description : The Semiconductor strain gauges typically have much higher gauge factors than those of metallic strain gauges, primarily due to : (A) higher temperature sensitivity (B) higher Poisson’s ratio (C) higher piezoresitive coefficient (D) higher magnetostrictive coefficient

Last Answer : The Semiconductor strain gauges typically have much higher gauge factors than those of metallic strain gauges, primarily due to : higher piezoresitive coefficient

Description : If Poisson's ratio of a resistance wire strain gauge is 1.8, then neglecting piezo-resistive effects, its Gauge factor is :  (A) 2.8 (B) 2.6 (C) 4.6 (D) 3.6

Last Answer : If Poisson's ratio of a resistance wire strain gauge is 1.8, then neglecting piezo-resistive effects, its Gauge factor is : 4.6

Description : In a single crystal of an intrinsic semiconductor, the number of free carriers at the Fermi level at room temperature is: A) Half the total number of electrons in the crystal B) Zero C) Half the number of atoms in the crystal D) Half the number of free electrons in the crystal

Last Answer : In a single crystal of an intrinsic semiconductor, the number of free carriers at the Fermi level at room temperature is: Zero 

Description : In an n-type semiconductor, as the donor concentration ND increases, the Fermi level EF: (1) Remains unaltered (2) Moves towards the conduction band (3) Move towards the center of forbidden energy gap (4) May or may not move depending on temperature 

Last Answer : In an n-type semiconductor, as the donor concentration ND increases, the Fermi level EF: Moves towards the conduction band

Description : Impurity atoms to be added to pure silicon in order to make a p-type semiconductor belongs to (a) Phosphorous (b) Boron (c) Antimony (d) Aluminium 

Last Answer : Boron  , a  group  three  element.

Description : The semiconductor used for LEDs emitting in the visible range is  (a) GaAs (b) GaAlAs (c) GalnAs (d) GaAsP

Last Answer : The semiconductor used for LEDs emitting in the visible range is GaAsP

Description : The polar bonds existing in III-V compound semiconductor, may be considered as equivalent to  (a) 1 ionic bond and 3 covalent bonds (b) 1 ionic bond and 4 covalent bonds (c) 2 ionic bonds and 2 covalent bonds (d) 2 ionic bonds and 4 covalent bonds

Last Answer : The polar bonds existing in III-V compound semiconductor, may be considered as equivalent to 1 ionic bond and 3 covalent bonds

Description : The material used for ‘doping’ to prepare N - type semiconductor is

Last Answer : The material used for ‘doping’ to prepare N - type semiconductor is Arsenic

Description : While comparing doped semiconductor vs. un-doped semiconductor, which of the following statements is NOT true ? (A) Doped semiconductor has smaller band-gap compared to un-doped semiconductor (B) ... to un-doped semiconductor (D) Doped as well as un-doped semiconductor have equal bandwidth

Last Answer : While comparing doped semiconductor vs. un-doped semiconductor, which of the following statements is NOT true ? (A) Doped semiconductor has smaller band-gap compared to un-doped semiconductor (B) ... to un-doped semiconductor (D) Doped as well as un-doped semiconductor have equal bandwidth

Description : To increase mobility of electron in a given piece of semiconductor (A) Increase overall size of the semiconductor (B) Increase length (C) Increase width (D) Small increase in temperature above room temperature value

Last Answer : To increase mobility of electron in a given piece of semiconductor Small increase in temperature above room temperature value

Last Answer : At absolute temperature, an intrinsic semiconductor has No holes or free electrons.

Last Answer : At room temperature, an intrinsic semiconductor has A few free electrons and holes.

Last Answer :  In an intrinsic semiconductor, the number of free electrons Equals the number of holes.

Last Answer : When the temperature of an extrinsic semiconductor is increased, the pronounced effect is on Minority carriers.

Last Answer : In a semiconductor, current conduction is due to Holes and free electrons.

Last Answer : As the doping to a pure semiconductor increases, the bulk resistance of the semiconductor Decreases.

Last Answer : The impurity level in an extrinsic semiconductor is about 1 atom for 108 atoms of pure semiconductor.

Last Answer : A hole in a semiconductor is defined as The incomplete part of an electron pair bond.

Last Answer : Addition of trivalent impurity to a semiconductor creates many Holes.

Last Answer : An n-type semiconductor is Electrically neutral.

Last Answer : Addition of pentavalent impurity to a semiconductor creates many Free electrons.

Last Answer : When a pentavalent impurity is added to a pure semiconductor, it becomes n-type semiconductor.

Last Answer : The strength of a semiconductor crystal comes from Electron-pair bonds.

Last Answer : When a pure semiconductor is heated, its resistance Goes down.

Last Answer : The most commonly used semiconductor is Silicon.

Last Answer : A semiconductor has Negative temperature coefficient of resistance.

Description : Measuring force without a strain gauge?

Last Answer : answer:Do you want to know the force or the pressure at the tip? Will this be changing rapidly? Let's assume you want the force first and you will calculate the pressure from the force and ... device and work out the force from the assembly's resonant freq. Lots of possibilities. Not enough detail.

Description : Which of the listed devices may be used as a digital device? A. variable resistor B. diode C. strain gauge D. thermistor

Last Answer : Answer: B

Description : __________ circuit is most commonly used to measure strain with the help of a strain gauge. (A) Ballast (B) Voltage balancing potentiometric (C) Simple current sensitive (D) None of these

Last Answer : Option B

Description : How to Measure a Strain Gauge

Last Answer : How to Measure a Strain Gauge There are several ways to measure strain. The most common is to use a strain gauge. In laymen's terms, a strain gauge is a device whose electrical ... who supply all the necessary strain gauges and materials from connection tags, to binding adhesives and training.

Description : State function of strain gauge. Give its types and explain working of any one type of it.

Last Answer : Function of strain gauge: - ➢ The strain gauge is a passive, resistive transducer which converts the mechanical elongation and compression into a resistance change. ➢ This change in ... change in resistivity. 3. Silicon and germanium are used as resistive material for semiconductor gauges

Description : Sketch DC signal conditioning circuit for pressure measurement using strain gauge. Justify it.

Last Answer : Diagram: Figure: DC signal conditioning circuit for pressure measurement using strain gauge Where, Rg= strain gauge resistance. Explanation: In order to measure strain with ... millivolts output per volt input. The Wheatstone circuit is also well suited for temperature compensation.

Description : Describe strain gauge with labelled diagram.

Last Answer : A Strain gauge is a sensor whose resistance varies with applied force. It converts force, pressure, tension, weight, etc., into a change in electrical resistance which can then be measured. When external ... to the applied strain. So, the voltmeter can be calibrated in terms of strain or force. 

Description : Define : i) Strain gauge ii) Gauge factor

Last Answer : i) Strain gauge is a resistance transducer whose resistance varies with applied force; It converts force, pressure, tension, weight, etc., into a change in electrical resistance which can then be measured ... is defined as the ratio of per unit change in resistance to per unit change in length 

Description : Explain working of resistance strain gauge

Last Answer : Principle working: Strain gauge is a passive, versatile transducer and it is often used for measuring weight, pressure, force and displacement .They sense the strain produced in a wire due to applied ... , allowing the strain measured to be related to the applied stress and hence the force applied.

Description : Explain in brief the working principle of strain gauge. Define gauge factor and list out types of strain gauges.

Last Answer : If a metal conductor is stretched or compressed, the resistance changes as both length and diameter change. There is a change in the value of resistivity of the conductor also when it is ... metal film strain gauges 6. Diffused metal strain gauges 7. Sputter deposited thin metal strain gauge

Description : How strain gauge is used for pressure measurement, explain?

Last Answer : strain gauge: - strain gauge is used for pressure measurement as one of the arm of a wheatstones' bridge, the pressure is applied to the strain gauge through diaphragm elastic pressure sensor.

Description : Dummy strain gauge is used in conjunction with the main strain gauge to _____.

Last Answer : Dummy strain gauge is used in conjunction with the main strain gauge to compensate temperature effects.

Description :  Gauge factor of strain gauge is defined as the ratio of per unit change in the ______.

Last Answer :  Gauge factor of strain gauge is defined as the ratio of per unit change in the resistance to the per unit change in the length of the element.

Description : A strain gauge is a passive transducer and is employed for converting   (a) Pressure into change in resistance (b) Force into displacement (c) Mechanical displacement into a change of resistance (d) None of the above 

Last Answer : A

Description : In a strain measuring device, using a strain gauge, the output quantity is  A) Voltage B) resistance C) Impedance D) either A) or B)

Last Answer : In a strain measuring device, using a strain gauge, the output quantity is Voltage

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