What is meant by body effect in MOSFET?

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asked Mar 19, 2018 by anonymous

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asked Jun 18, 2018 by anonymous

When does the Body bias effect occur in an n-channel MOSFET?

When does the Body bias effect occur in an n-channel MOSFET? A) When the Source voltage is less the Bulk voltage B) When the Source voltage is equal to or greater the Bulk voltage C) When the Drain voltage is equal to the Bulk voltage D) When the Gate voltage is equal to the Bulk Voltage

Last answer: When does the Body bias effect occur in an n-channel MOSFET? A) When the Source voltage is less the Bulk voltage B) When the Source voltage is equal to or greater the Bulk voltage C) ... voltage is equal to the Bulk voltage D) When the Gate voltage is equal to the Bulk Voltage

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70 views 1 answer

asked Mar 22, 2018 by anonymous

Effect of a force on a body depends upon?

Last answer: Effect of a force on a body depends upon magnitude, direction, position or line of action.

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asked Mar 19, 2018 by anonymous

What is meant by pinch off voltage in MOSFET?

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asked Mar 19, 2018 by anonymous

What is channel length modulation in MOSFET?

Last answer: Shortening of lenght of the inverted channel region with increase in drain bias for large drain biases due to which current increases with drain bias and output resistance decreases is called channel length modulation in MOSFET.

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245 views 2 answers

asked Mar 19, 2018 by anonymous

What is the transconductance of a MOSFET?

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asked Mar 19, 2018 by anonymous

What is the use of a Mosfet?

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asked Mar 19, 2018 by anonymous

What is the work of MOSFET?

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asked Mar 19, 2018 by anonymous

In MOSFET, the polarity of the inversion layers is the same as that of?

Last answer: In MOSFET, the polarity of the inversion layers is the same as that of majority carriers in the source.

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101 views 1 answer

asked Mar 19, 2018 by anonymous

Why Mosfet is called Mosfet?

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asked Mar 19, 2018 by anonymous

Is the input impedance of MOSFET more than BJT and FET?

Last answer: Yes, the input impedance of MOSFET more than BJT and FET.

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295 views 1 answer

asked Jun 18, 2018 by anonymous

A certain power MOSFET has a maximum junction temperature specification of 1500o C, a junction-to-case

A certain power MOSFET has a maximum junction temperature specification of 1500o C, a junction-to-case thermal resistance of 1.00 C/W, and a junction-to ambient thermal resistance of 600 C/W. If the ambient temperature is 300o C, then the maximum allowable power dissipation in the device will be A) 1.52 W B) 1.72 W C) 1.92W D) 2.00 W

Last answer: A certain power MOSFET has a maximum junction temperature specification of 1500o C, a junction-to-case thermal resistance of 1.00 C/W, and a junction-to ambient thermal resistance of ... 300o C, then the maximum allowable power dissipation in the device will be 2.00 W

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114 views 1 answer

asked Mar 19, 2018 by anonymous

A MOSFET has how many terminals?

Last answer: A MOSFET having three terminals 1st one is Gate (insulated), 2nd one is Source and 3rd one is Drain.

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asked Mar 19, 2018 by anonymous

How can we check a Mosfet?

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asked Mar 19, 2018 by anonymous

MOSFET uses the electric field of?

Last answer: MOSFET uses the electric field of gate capacitance.

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asked Mar 22, 2018 by anonymous

If a rigid body is in equilibrium under the action of three forces, then?

Last answer: If a rigid body is in equilibrium under the action of three forces, then the lines of action of these forces meet in a point, the lines of action of these forces are parallel.

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asked May 8, 2018 by anonymous

Capacitance is the ability of a body to store an__________.

Capacitance is the ability of a body to store an__________. (A) electrical charge (B) electric current (C) voltage (D) All of the above

Last answer: Capacitance is the ability of a body to store an electrical charge

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76 views 1 answer

asked Mar 22, 2018 by anonymous

If a suspended body is struck at the center of percussion, then the pressure on...

If a suspended body is struck at the center of percussion, then the pressure on die axis passing through the point of suspension will be?

Last answer: If a suspended body is struck at the center of percussion, then the pressure on die axis passing through the point of suspension will be zero.

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78 views 1 answer

asked Mar 22, 2018 by anonymous

The weight of a body is due to?

The weight of a body is due to

Last answer: The weight of a body is due to gravitational force of attraction towards the center of the earth.

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67 views 1 answer

asked Mar 22, 2018 by anonymous

A force acting on a body may?

Last answer: A force acting on a body may introduce internal stresses, balance the other forces acting on it, retard its motion, change its motion.

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asked Dec 13, 2017 by anonymous

explain skin effect in copper interconnects. what are the various ways of reducing this effect?

Last answer: Skin effect generally observed in ac conductor in transmission network, in skin the current flowing through outer layer of conductor is more than iner area of conductor thus we can say the ... for reducing this effect we can use boundel conductor or used hollow conductor for power transmission

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86 views 1 answer

asked Sep 15, 2017 by anonymous

what is depletion type MOSFET?

What is depletion type MOSFET?..........

Last answer: Depletion MOSFET: Depletion MOSFET is a MOSFET in which the channel already exists. If we apply a voltage between drain and source then the drain current will flow even if the gate to source ... in figure. The drain current will be reduced as the gate to source voltage made more negative.

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134 views 1 answer

asked Sep 15, 2017 by anonymous

what is enhancement MOSFET?

What is enhancement MOSFET?...............

Last answer: Enhancement MOSFET: There are two types of MOSFET one is enhancement MOSFET and second is depletion MOSFET. In enhancement MOSFET channel is created by applying threshold voltage between gate and source ... mode. The enhancement MOSFET will not conduct if the gate to source voltage is zero.

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140 views 1 answer

asked Aug 6, 2017 by anonymous

what is MOSFET ?

Last answer: MOSFET is a type of Field Effect Transistor (FET). It is a voltage controlled transistor. MOSFET have very high input impedance. It can be use with very low current circuits. It is very fast ... of Nano ampere. There are two types of MOSFET one is enhancement mode and second is depletion mode.

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asked Aug 9, 2019 by Ramanjaneyulu

What is corona effect

Last answer: The phenomenon of ionization of surrounding air around the conductor due to which luminous glow with hissing noise is rise is known as the corona effect.

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64 views 1 answer

asked Sep 8, 2018 by anonymous

What is piezoelectric effect? Name two piezoelectric material.

Last answer: piezoelectric effect: Piezoelectric effect can be stated as follows: when a pressure or force or vibration is applied to crystalline material like quartz crystal or crystalline substances, then ... crystal: Quartz crystal ,Rochelle salt 2) Synthetic crystals : Barium Titanate, Lithium sulphate

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52 views 1 answer

asked Aug 6, 2017 by anonymous

what is skin effect?

Last answer: Skin effect is occurs in conductor due to high frequency...as the frequency increases the resistance of conductor increases...skin effect means the current flow through the skin of conductor....as the ... dc current their will be no skin effect...I hope you understand basic concept of skin effect

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224 views 2 answers

asked Aug 6, 2017 by anonymous

what is Ferranti effect?

Last answer: Ferranti effect is the increase in voltage at receiving end than sending end means sending end voltage is less than receiving end . It is occurs in long transmission line when the line is lightly loaded or at no load.

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96 views 1 answer

asked Aug 3, 2019 by anonymous

What parameters are to be considered when choosing a MOSFET?

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asked Sep 22, 2017 by anonymous

What are the two types of mosfet?

Last answer: MOSFETs are of two types namely 1) enhancement type MOSFET or E-MOSFET 2) depletion type MOSFET or D-MOSFET

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77 views 2 answers

asked Aug 13, 2017 by Zeeshan

what are the uses of MOSFET ?

Last answer: Choppers and inverters and where high switching frequency is required.

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asked Jan 7, 2018 by anonymous

What are the applications of Hall effect?

Last answer: Hall effect transducer find application 8n instruments that measure magnetic field with small flux densities.

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125 views 2 answers

asked Apr 28, 2018 by anonymous

Which phenomenon is present in thyristors but absent in BJT, MOSFET and IGBT ?

Which phenomenon is present in thyristors but absent in BJT, MOSFET and IGBT ? (A) forward conduction (B) latching (C) forward blocking (D) reverse breakdown

Last answer: Which phenomenon is present in thyristors but absent in BJT, MOSFET and IGBT ? (A) forward conduction (B) latching (C) forward blocking (D) reverse breakdown

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asked Apr 30, 2018 by anonymous

The skin effect in conductors is due to non uniform distribution of current in it and major portion of current is

The skin effect in conductors is due to non uniform distribution of current in it and major portion of current is near the _______ of conductor. (1) Surface (2) Center (3) Complete cross section area (4) Axis

Last answer: The skin effect in conductors is due to non uniform distribution of current in it and major portion of current is near the Surface of conductor.

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185 views 1 answer

asked Apr 29, 2018 by anonymous

Skin effect is absent in which of the following transmission systems?

Skin effect is absent in which of the following transmission systems? A) Extra High Voltage (EHV) AC B) High Voltage Direct Current (HVDC) C) Both A and B D) None of these

Last answer: Skin effect is absent in which of the following transmission systems? A) Extra High Voltage (EHV) AC B) High Voltage Direct Current (HVDC) C) Both A and B D) None of these

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129 views 1 answer

asked Apr 26, 2018 by anonymous

The effect of a finite gain of an operational amplifier used in an integrator is that

The effect of a finite gain of an operational amplifier used in an integrator is that (A) it would not integrate (B) the slope of the output will vary with time (C) the final value of the output voltage will reduce (D) there will be instability in the circuit

Last answer: The effect of a finite gain of an operational amplifier used in an integrator is that there will be instability in the circuit

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96 views 1 answer

asked Mar 21, 2018 by anonymous

The chemical effect of current is used in?

Last answer: The chemical effect of current is used in D.C. ammeter hour meter.

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58 views 1 answer

asked Feb 6, 2018 by anonymous

Explain the formation of parasitic BJT and parasitic diode in Power MOSFET.

Explain the formation of parasitic BJT and parasitic diode in Power MOSFET. Can parasitic diode be used in same power electronics applications?

Last answer: Parasitic Diode: The parasitic diode is in between drain and source. The MOSFET structure itself contains parasitic diode or body drain diode. This parasitic diode allows the reverse flow of current when the ... of MOSFET as a BJT collector. Parasitic BJT operates in the cut-off region.

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asked May 7, 2020 by anonymous

Define armature reaction in an alternator. Explain the effect of armature reaction at various P.F. of loads of alternator.

Last answer: Armature Reaction: The effect of armature flux on main flux is called as armature reaction. Armature Reaction at Various Power Factors: When armature is loaded, the armature flux modifies ... lagging p.f. For capacitive loads the effect of flux is partly distorting and partly strengthening.

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137 views 1 answer

asked Aug 10, 2019 by anonymous

Explain in brief ‘Hall effect sensor’.

Last answer: Working: * Working principle of a Hall effect sensor is that if strip of conducting material carries a current in presence of transverse magnetic field as shown fig . * The difference of ... with Hall strip. * When a transverse magnetic field passes through the strip, the voltage difference

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89 views 2 answers

asked Sep 6, 2018 by anonymous

Explain magnetic effect employed in measuring instrument.

Last answer: Magnetic Effect: I) In PMMC meters: ➢ When a current is passed through a conductor, magnetic field is produced round the conductor. Due to this field when current ... field it experiences a mechanical force. Examples: Electrodynamometer type instruments, Induction type instrument.

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55 views 1 answer

asked Apr 4, 2018 by anonymous

What are the main constructional differences between a MOSFET and a BJT? What effect do they ...

What are the main constructional differences between a MOSFET and a BJT? What effect do they have on the current conduction mechanism of a MOSFET?

Last answer: A MOSFET like a BJT has alternating layers of p and n type semiconductors. However, unlike BJT the p type body region of a MOSFET does not have an external electrical connection. The gate ... . Distributed under Creative Commons Attribution-ShareAlike - CC BY-SA. Version 2 EE IIT, Kharagpur

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asked Apr 28, 2018 by anonymous

The threshold voltage of an n- channel enhancement mode MOSFET is 0.5V when the device is biased at

The threshold voltage of an n- channel enhancement mode MOSFET is 0.5V when the device is biased at a gate voltage of 3V. Pinch off would be occurs at a drain voltage of (A) 1.5V (B) 2.5V (C) 3.5V (D) 4.5V

Last answer: The threshold voltage of an n- channel enhancement mode MOSFET is 0.5V when the device is biased at a gate voltage of 3V. Pinch off would be occurs at a drain voltage of 2.5V

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111 views 1 answer

asked Feb 3, 2018 by anonymous

Operating frequency of power MOSFET is higher than that of power BJT. Justify the statement.

Last answer: Power MOSFET have high turning on and turning off capability high switching speed of MOSFET is due to the high rate of change of drain voltage. The switching losses of power MOSFET ... lower frequency. Hence, operating frequency of power MOSFET is higher than that of power BJT.

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699 views 1 answer

asked Feb 2, 2018 by anonymous

Justify the statement. Antiparallel diode is connected across MOSFET.

Last answer: In MOSFET current is flow from drain to source but when the load is inductive the current may flow in opposite direction. To avoid the opposite flow of current and to protect MOSFET the antiparallel diode is connected across MOSFET.

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127 views 1 answer

asked Dec 7, 2017 by anonymous

Justify. Power MOSFET is operated at high enough gate source voltage to minimize the conduction losses.

Last answer: MOSFET is metal oxide field effect transistor. MOSFET is a voltage controlled device. MOSFET is majority carrier device. MOSFET are of two one is n-channel MOSFET and p-channel MOSFET. Gate, ... . Hence, power MOSFET is operated at high enough gate-source voltage to minimize the conduction losses.

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753 views 1 answer

asked Sep 29, 2017 by anonymous

is IGBT costlier than BJT and MOSFET?

Last answer: Yes IGBT is costlier than BJT and MOSFET.

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asked Sep 22, 2017 by anonymous

Why MOSFET is used for low power applications?

Last answer: MOSFET have high current losses due to High on state resistance. Hence MOSFET is used for low power applications.

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asked Sep 22, 2017 by anonymous

Why paralleling of mosfet is easier?

Last answer: Because of positive temperature coefficient of mosfet the paralleling of mosfet is easier.

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asked Sep 15, 2017 by anonymous

Explain the series and parallel operation of MOSFET. Which is suitable and why ?

Explain the series and parallel operation of MOSFET. Which is suitable and why?

Last answer: Series operation of MOSFET: To increase voltage handling capability MOSFETs are connected in series. When the MOSFETs are connected in series each MOSFET should turn on and turn off ... on and turn off time and transconductance. Each MOSFET should share current equally.

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438 views 1 answer

asked Sep 15, 2017 by anonymous

why IGBT is preferred as a power switch over both power BJT and MOSFET?

Last answer: Because it has a higher switching frequency and heat tolerance.

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What is meant by body effect in MOSFET?

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