Last Answer : For measurement of mutual inductance we can use Heaviside bridge.
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188 views
1 answer
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Mar 21, 2018
by
anonymous

Last Answer : If an inductance is connected in one arm of bridge and resistances in the remaining three arms the bridge cannot be balanced.
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210 views
1 answer
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Mar 21, 2018
by
anonymous

Last Answer : In an Anderson bridge, the unknown inductance is measured in terms of known capacitance and resistance.
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278 views
1 answer
asked
Mar 21, 2018
by
anonymous

The self inductance of a coil can be measured using (A) Wien’s Bridge (B) Schering Bridge (C) Anderson’s Bridge (D) Wheatstone Bridge
Last Answer : The self inductance of a coil can be measured using Anderson’s Bridge
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210 views
1 answer
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Apr 28, 2018
by
anonymous

Last Answer : For measurement of inductance having high value, we should use Hay's bridge.
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176 views
1 answer
asked
Mar 21, 2018
by
anonymous

A dummy strain gage is used in a quarter bridge strain gage circuit to : (A) compensate for changes in temperature and lead wire resistance (B) produce more output voltage from the bridge (C) increase the sensitivity of the bridge (D) compensate lead wire resistance only
Last Answer : A dummy strain gage is used in a quarter bridge strain gage circuit to : compensate for changes in temperature and lead wire resistance
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128 views
1 answer
asked
Apr 29, 2018
by
anonymous

The bridge most suited for measurement of a four-terminal resistance in the range of 0.001 Ohm to 0.1 Ohm (A) Wien’s bridge (B) Kelvin double bridge (C) Maxwell’s bridge (D) Shering Bridge
Last Answer : The bridge most suited for measurement of a four-terminal resistance in the range of 0.001 Ohm to 0.1 Ohm (A) Wien’s bridge (B) Kelvin double bridge (C) Maxwell’s bridge (D) Shering Bridge
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381 views
1 answer
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Apr 26, 2018
by
anonymous

Last Answer : In a Schering bridge the potential of the detector above earth potential is a few volts only.
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171 views
1 answer
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Mar 21, 2018
by
anonymous

Last Answer : For measurements on high voltage capacitors, the suitable bridge is Schering bridge.
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322 views
1 answer
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Mar 21, 2018
by
anonymous

A universal RLC bridge uses?
Last Answer : A universal RLC bridge uses Maxwell Wein bridge for measurement of inductance and modified De Santy's bridge for measurement of capacitance.
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319 views
1 answer
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Mar 21, 2018
by
anonymous

State the impact of inductance and resistance on transmission line performance
Last Answer : Impact of inductance on transmission line: 1) It causes IXL drop in transmission line which affects regulation. 2) It is the only parameter which decides power transmission capacity of line i. ... is very small, it causes losses, temperature rise& poor voltage regulation so it cannot be neglected
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200 views
1 answer
asked
May 6, 2020
by
anonymous
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Inductance
Last Answer : Inductance
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68 views
1 answer
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Mar 20, 2020
by
anonymous
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effect of inductance and capacitance on performance of transmission line.
Last Answer : Following are the effect on performance of transmission line: 1. Due to inductance (L) voltage drop in transmission line produces. 2. Capacitor (C) draws charging current ... , transmission line efficiency, voltage regulation & also power factor of transmission line gets affected.
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152 views
1 answer
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Aug 25, 2019
by
anonymous

What is inductance?
Last Answer : Inductance is the property of Material by which it opposes the any change of magnitude or direction of electric current passing through the conductor. The inductance is denoted by L. The unit of inductance is Henry (H).
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78 views
1 answer
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Jul 4, 2019
by
anonymous

Self inductance formula
Last Answer : Self inductance formula
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96 views
1 answer
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Jun 11, 2019
by
anonymous

Self induced voltage across an inductance
Last Answer : Self induced voltage across an inductance
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150 views
1 answer
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Jun 11, 2019
by
anonymous

Describe with working of LCR meter for measurement of inductance.
Last Answer : working of LCR:- A LCR meter (Inductance (L), Capacitance (C), and Resistance (R) test equipment used to measure the inductance, capacitance and, resistance of a component. It works on the ... in parallel (as would be encountered in measuring a capacitor with a leaky dielectric) [Q setting ]
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93 views
1 answer
asked
Sep 6, 2018
by
anonymous

For 11kV line the inductance per km per phase will be of the order of: (A) 1 H (B) 0.1 H (C) 1 mH (D) 0.1 mH
Last Answer : For 11kV line the inductance per km per phase will be of the order of: 1 mH
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1.1k views
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May 8, 2018
by
anonymous
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lt the length, number of turns and area of a coil are doubled, the inductance of the coil
Last Answer : lt the length, number of turns and area of a coil are doubled, the inductance of the coil is quadrupled
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145 views
1 answer
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Apr 26, 2018
by
anonymous

The initial rate of rise of current through a coil of inductance 10 H when suddenly connected to a D.C. supply of 200 V is_______Vs.
Last Answer : The initial rate of rise of current through a coil of inductance 10 H when suddenly connected to a D.C. supply of 200 V is 20 Vs
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288 views
1 answer
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Mar 25, 2018
by
anonymous

When both the inductance and resistance of a coil are doubled the value of?
Last Answer : When both the inductance and resistance of a coil are doubled the value of time constant remains unchanged.
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263 views
1 answer
asked
Mar 25, 2018
by
anonymous

The inductance of a coil can be increased by?
Last Answer : The inductance of a coil can be increased by choosing core material having high relative permeability.
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380 views
1 answer
asked
Mar 25, 2018
by
anonymous

Inductance of coil?
Last Answer : Inductance of coil increases with the increase in supply frequency.
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74 views
1 answer
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Mar 25, 2018
by
anonymous

Inductance of a coil Varies?
Last Answer : Inductance of a coil Varies as directly as the cross-sectional area of magnetic core and inversely as the length of the iron path.
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102 views
1 answer
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Mar 25, 2018
by
anonymous

Inductance affects the direct current flow?
Last Answer : Inductance affects the direct current flow at the time of turning on and off.
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148 views
1 answer
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Mar 25, 2018
by
anonymous

What is the reciprocal of inductance?
Last Answer : This term is not exist
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480 views
1 answer
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Jan 7, 2018
by
anonymous
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Last Answer : Unit of inductance is Henry denoted by capital H .
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104 views
1 answer
asked
Sep 20, 2017
by
anonymous

How to Build a Bridge
Last Answer : How to Build a Bridge How to Build a Bridge Building a bridge is not an every day task, you do not see bridges going up overnight and it takes a skilled engineer to master this craft. Bridges ... this can be one of the most satisfying moments of your life to know that you have achieved your goal.
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12 views
1 answer
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May 12, 2021
by
anonymous

How to Become a Bridge Inspector
Last Answer : How to Become a Bridge Inspector Bridge Inspectors are construction professionals who are well versed in a number of building disciplines. Among the talents of a bridge inspector are such ... secure employment in a variety of different settings, both in government agencies and private business.
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8 views
1 answer
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May 10, 2021
by
anonymous

How to Become a Bridge Engineer
Last Answer : How to Become a Bridge Engineer Bridge Engineers are construction professionals that bear a major part of the responsibility for the safety and stability of bridges. Consequently, a bridge engineer ... new business. A well-established reputation is vital to the success of bridge engineering career.
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13 views
1 answer
asked
May 10, 2021
by
anonymous

Draw circuit diagram of symmetrical configuration of bridge converter.
Last Answer : circuit diagram of symmetrical configuration of bridge converter
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95 views
1 answer
asked
May 21, 2020
by
anonymous

List out advantages and disadvantages of bridge rectifier.
Last Answer : Advantages : 1. Bridge rectifier can be used in applications allowing floating output terminals i.e. not output terminal is grounded. 2. The need of center-tapped transformer is eliminated. ... The value of the diodes used should be precise , else there will be an error in rectification
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257 views
1 answer
asked
May 16, 2020
by
anonymous

Draw full bridge & half bridge configuration with common cathode.
Last Answer : Half Bridge Configuration: Full Bridge Configuration:
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316 views
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Oct 13, 2019
by
anonymous

operation of whetstone bridge.
Last Answer : A Wheatstone bridge is widely used to measure the electrical resistance. This circuit is built with two known resistors, one unknown resistor and one variable resistor connected in the form of bridge. ... using a Wheatstone Bridge the unknown electrical resistance value can easily measure.
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107 views
1 answer
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Sep 4, 2019
by
anonymous

tern null as it applies to bridge measurement.
Last Answer : Null measurements balance voltages so that there is no current flowing through the measuring device and, therefore, no alteration of the circuit being measured. Null measurements are generally more ... the use of standard voltmeters and ammeters, and they still have limits to their precision.
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96 views
1 answer
asked
Sep 4, 2019
by
anonymous
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Give the operation of single phase full wave bridge controlled converter with RL load with a neat diagram. Also draw its waveform.
Last Answer : Single phase fully control bridge converter with RL load: 1. During positive half cycle of input voltage, T1 and T2 are forward biased and during negative half cycle, T3 and T4 are forward biased. Therefore, T1-T2 ... cycle till the firing of next pair of SCRs as shown in the waveform.
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1 answer
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Jul 25, 2019
by
anonymous

Wheatstone bridge
Last Answer : Wheatstone bridge
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1 answer
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Jun 11, 2019
by
anonymous

Which of the following is true with respect to Wien Bridge? A) It does not require equal values of R or C B) It requires that R and C values of all components must be equal C) It requires that all resistors should have equal values D) None of these
Last Answer : Which of the following is true with respect to Wien Bridge? A) It does not require equal values of R or C B) It requires that R and C values of all components must be equal C) It requires that all resistors should have equal values D) None of these
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105 views
1 answer
asked
Apr 29, 2018
by
anonymous

The no-load speed of a single-phase SCR bridge converter fed separately excited dc motor operating at a firing delay angle, α and flux, Φ (A) directly proportional to α and Φ (B) ... proportional to α and inversely proportional to Φ (D) directly proportional to Φ and inversely proportional to α
Last Answer : The no-load speed of a single-phase SCR bridge converter fed separately excited dc motor operating at a firing delay angle, α and flux, Φ directly proportional to α and inversely proportional to Φ
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166 views
1 answer
asked
Apr 28, 2018
by
anonymous

A 230 V, 50 Hz phase controlled single-phase full-controlled SCR bridge converter draws 15 A constant dc current. If the source inductance is 3 mH, the drop in dc output voltage is (A) 4.5 V (B) 6.75 V (C) 9 V (D) 13.5 V
Last Answer : A 230 V, 50 Hz phase controlled single-phase full-controlled SCR bridge converter draws 15 A constant dc current. If the source inductance is 3 mH, the drop in dc output voltage is 9 V
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198 views
1 answer
asked
Apr 28, 2018
by
anonymous

In a 230 V, 50 Hz single-phase SCR bridge converter operating at a firing delay angle, α and with large R-L load, the input source current is (A) sinusoidal current (B) constant dc current (C) continuous rectangular pulses (D) alternating rectangular pulses
Last Answer : In a 230 V, 50 Hz single-phase SCR bridge converter operating at a firing delay angle, α and with large R-L load, the input source current is alternating rectangular pulses
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194 views
1 answer
asked
Apr 28, 2018
by
anonymous

The bridge most suited for accurate measurement of relative permittivity of dielectric materials is (A) Carey Foster Bridge (B) Anderson’s bridge (C) Heaviside Bridge modified by Campbell. (D) Schering Bridge.
Last Answer : The bridge most suited for accurate measurement of relative permittivity of dielectric materials is Schering Bridge.
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135 views
1 answer
asked
Apr 28, 2018
by
anonymous

Explain three phase bridge inverter.
Last Answer : Three phase bridge inverter: Three phase bridge inverter converts DC voltage input to three-phase variable frequency variable voltage output. DC voltage source can be a DC source or output of the rectifier. ... in proper sequence. The switch may be thyristor or IGBT etc.
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499 views
1 answer
asked
Feb 19, 2018
by
anonymous

Explain the operation of full bridge converters with their different operating modes. State its advantages and disadvantages.
Last Answer : Full bridge converter: Full bridge converter provides isolation between input and output. Full bridge converter is used for step up or step down the input voltage. Full bridge converter consists of four power semiconductor ... Require filter on both input and output.
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269 views
1 answer
asked
Feb 12, 2018
by
anonymous

explain blanking times for Bridge circuit?
Last Answer : Blanking time is provided by driver circuit to power switch. Blanking time is important because the turn on input of one transistor must be delayed with turn off input of another transistor if both ... are connected in one converter leg. This blanking time helps in avoiding cross conduction.
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147 views
1 answer
asked
Sep 19, 2017
by
anonymous

How to Choose a Birth Control Method
Last Answer : How to Choose a Birth Control Method Birth control methods depend on the couple's needs and commitment to the method. Some couples just need to prevent pregnancy while others wish to avoid sexually- ... unplanned sex, a broken condom or failure to take birth control pills two days in a row.
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20 views
1 answer

How to Use the Rhythm Method
Last Answer : How to Use the Rhythm Method The rhythm method is one of the many natural ways of birth control. This technique is based on the length of your menstrual cycle. Here are some tips you can ... their phases. There are numerous natural birth control techniques. Use the one the best suits your needs.
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11 views
1 answer
asked
May 10, 2021
by
anonymous

Explain the thermal triggering method of SCR. Enlist different triggering methods of SCR.
Last Answer : Types of Triggering: 1) Forward voltage triggering 2) Thermal triggering (Temperature triggering) 3) Radiation triggering (Light triggering) 4) dv/dt triggering 5) Gate triggering ... generated leakage current increases. This current gets multiplied internally and thyristor is turned on.
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243 views
1 answer
asked
May 21, 2020
by
anonymous

Illustrate with neat wiring diagram a single lamp control by two point method.
Last Answer : Single lamp control by two point method: This system is commonly used for stair case wiring. It consists of two way switches (the switch operates always in one of the two possible positions) the ... the person will change the position of switch S2, so that the lamp will be switched OFF'.
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321 views
1 answer
asked
May 3, 2020
by
anonymous

Draw and explain vacuum impregnation method of varnishing.
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103 views
0 answers
asked
Apr 24, 2020
by
anonymous
