What is the difference between line and phase current?
Last Answer : The currents flows through phase lines is called line voltage and currents flows from phase to neutral line is called phase current
Show More
131 views
1 answer
asked
Mar 10, 2018
by
anonymous

What is the difference between a line voltage and low voltage control system?
Show More
117 views
0 answers
asked
Mar 10, 2018
by
anonymous
.jpg)
Last Answer : In a single phase power factor meter the phase difference between the currents in the two pressure coils is exactly 90°.
Show More
352 views
1 answer
asked
Mar 21, 2018
by
anonymous

Write the relation between phase and line current, phase and line voltage for Star connection.
Last Answer : Line voltage is equal to root three times of phase voltage and line and phase currents are equal in star connection
Show More
374 views
2 answers
asked
Aug 11, 2018
by
anonymous
.jpg)
What is line voltage and phase voltage? Draw balanced three phase star connected system. Show all the voltages and currents.
Show More
125 views
0 answers
asked
Aug 11, 2018
by
anonymous

What is the voltage in 3 phase line?
Last Answer : between 430 to 440 v
Show More
283 views
4 answers
asked
Dec 22, 2017
by
anonymous

The phase difference between voltage and current wave through a circuit element is given as 30°. The essential condition is that?
Last Answer : The phase difference between voltage and current wave through a circuit element is given as 30°. The essential condition is that both waves must have same frequency.
Show More
782 views
1 answer
asked
Mar 24, 2018
by
anonymous

The power consumed in a circuit element will be least when the phase difference between the current and voltage is?
Last Answer : The power consumed in a circuit element will be least when the phase difference between the current and voltage is 90°.
Show More
939 views
1 answer
asked
Mar 24, 2018
by
anonymous

When the phase difference between two sinusoidal quantities is 90° they are said to be ______ A) Phase right angle B) Phase quadrature C) Phase sinuright D) None of these
Last Answer : When the phase difference between two sinusoidal quantities is 90° they are said to be Phase quadrature
Show More
204 views
1 answer
asked
Apr 29, 2018
by
anonymous
.jpg)
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
Show More
1.0k views
1 answer
asked
May 8, 2018
by
anonymous

Last Answer : Reactance relay is preferred for phase fault on short transmission line.
Show More
110 views
1 answer
asked
Mar 20, 2018
by
anonymous

Last Answer : Impedance relays are used for phase faults on long line.
Show More
82 views
1 answer
asked
Mar 20, 2018
by
anonymous

State the difference between energy conservation and energy audit.
Last Answer : energy conservation Energy audit It is reducing the growth of energy consumption by avoiding unnecessary usage of energy It is an inspection, survey & analysis of energy flows ... Various measuring instruments, with proper sensing elements are required for the energy audit.
Show More
210 views
1 answer
asked
May 3, 2020
by
anonymous

What's the difference between electronic and electrical
Show More
88 views
0 answers
asked
Jan 21, 2020
by
Sampson
.jpg)
What is the difference between a cable and a conductor?
Show More
109 views
0 answers
asked
Aug 12, 2019
by
anonymous

Describe the difference between direct and alternating current.
Last Answer : Direct current is the flow of electricity or charge in one direction.. Alternative current is the flow of charge that doesn't flow in one direction.
Show More
5.3k views
4 answers
asked
Jun 29, 2019
by
anonymous

Describe the difference between an open circuit and a short circuit.
Last Answer : Open circuit means the wire is cut meaning power will not flow and close circuit means wire is not cut and hence power will flow.Short circuit is the same as close circuit
Show More
7.8k views
3 answers
asked
Jun 29, 2019
by
anonymous

Write difference between absolute & secondary instrument.
Last Answer : Absolute Instrument Secondary Instrument 1. These give magnitude of quantity in terms physical constants of instruments 1. These give reading directly of the quantity at the time of ... Raleigh current balance. 6. Examples - ammeter, voltmeter, amperehour meter, wattmeter etc.
Show More
6.1k views
1 answer
asked
Sep 5, 2018
by
anonymous

What is the difference between relay and contactor?
Last Answer : Relay have smaller ratings. Contactor is a high rating relay.
Show More
5.1k views
1 answer
asked
May 2, 2018
by
anonymous
.jpg)
Last Answer : A differential relay measures the vector difference between two or more similar electrical quantities.
Show More
158 views
1 answer
asked
Mar 19, 2018
by
anonymous

What is the difference between BJT and FET?
Last Answer : BJT is a current opperated transistor while FET is a field opperated transistor.
Show More
2.7k views
1 answer
asked
Mar 19, 2018
by
anonymous

What is the difference between a soft start and a VFD?
Show More
76 views
0 answers
asked
Mar 15, 2018
by
anonymous

What is the difference between an AC and DC generator?
Last Answer : The generator which generates DC voltage is called DC generator and generator which generates AC voltage is called AC generator (or) Alternator. In DC generator armature is rotated and field winding ... generator. A DC generator can generate low voltages but an AC generator can generate upto 11kv.
Show More
315 views
1 answer
asked
Mar 15, 2018
by
anonymous

What is the difference between synchronous and asynchronous generator?
Show More
150 views
0 answers
asked
Mar 15, 2018
by
anonymous

What is the difference between synchronous and asynchronous motors?
Last Answer : The motor which rotates at constant speed is called synchronous motor. And that constant speed is called as synchronous speed. And the motor which does not rotates at constant speed are called asynchronous motor. Asynchronous motor is also called as Induction motor.
Show More
143 views
1 answer
asked
Mar 15, 2018
by
anonymous

What is the difference between eddy current and hysteresis loss?
Last Answer : Loss occurred by magnetising and demagnetising process is called histerisis loss and the current flowed due to the magnetic field produced by the electric field applied is called eddy current losses
Show More
3.0k views
1 answer
asked
Mar 15, 2018
by
anonymous
.jpg)
What is the difference between an anode and a cathode?
Last Answer : The anode is positively charged electrode and the cathode is negatively charged electrode.
Show More
128 views
1 answer
asked
Mar 14, 2018
by
anonymous

What is the difference between an insulator and a dielectric?
Last Answer : Dielectric is the another name for insulator.
Show More
113 views
1 answer
asked
Mar 11, 2018
by
anonymous

What is the difference between a sensor and a transducer?
Show More
503 views
0 answers
asked
Mar 11, 2018
by
anonymous

What is the difference between microcontroller and ARM processor?
Show More
139 views
0 answers
asked
Mar 11, 2018
by
anonymous

What is the difference between a microcontroller and a microprocessor?
Last Answer : Compare microprocessor and microcontroller Microprocessor Microcontroller 1)Inbuilt RAM and ROM 1)Do not have inbuilt RAM or ROM 2)Inbuilt timer 2)Doesn't have inbuilt timer ... same memory 6)Many Multifunction pins on the IC 6)less multifunction Pins on IC.
Show More
226 views
1 answer
asked
Mar 11, 2018
by
anonymous

What is the difference between a mesh and a loop?
Show More
365 views
0 answers
asked
Mar 10, 2018
by
anonymous
.jpg)
What is the difference between an ECU and an ECM?
Show More
66 views
0 answers
asked
Mar 10, 2018
by
anonymous

What is the difference between DFT and FFT?
Show More
71 views
0 answers
asked
Mar 10, 2018
by
anonymous

What is the difference between AC and DC drive?
Last Answer : AC means alternating current It's Frequency is 50hz Dc means direct current ItsI Frequency is 0Hz
Show More
156 views
1 answer
asked
Mar 10, 2018
by
anonymous

What is difference between computer engineering and computer science?
Show More
60 views
0 answers
asked
Mar 10, 2018
by
anonymous

What is the difference between analog and digital electronics?
Show More
86 views
0 answers
asked
Mar 10, 2018
by
anonymous

What is difference between KW and KVA?
Last Answer : kW is kilowatt and kVA is kilovolt ampere. kW is unit of real power and kVA is unit of Apparent power.
Show More
160 views
1 answer
asked
Mar 10, 2018
by
anonymous

What is the difference between linear and nonlinear electrical loads?
Show More
1.1k views
0 answers
asked
Mar 10, 2018
by
anonymous
.jpg)
What is the difference between a blackout and brownout?
Show More
67 views
0 answers
asked
Mar 10, 2018
by
anonymous

What is the difference between beta and forced beta for BJT?
Show More
554 views
0 answers
asked
Feb 20, 2018
by
anonymous

What is difference between Star and Delta Connection?
Last Answer : Star is 1. Open ckt 2. At center point present neutral Delta is 1. Closed ckt 2. Neutral not present in this case
Show More
152 views
1 answer
asked
Dec 22, 2017
by
anonymous

What is the difference between a counter and a timer?
Last Answer : Counter counts only when the trigger is applied and timer counts continuously with some equal delay.
Show More
358 views
1 answer
asked
Dec 19, 2017
by
anonymous

What is the difference between renewable and nonrenewable energy sources?
Last Answer : Renewable energy sources are non-perishable, and Non-renewable energy sources are perishable sources. Non-Renewable energy sources are like coal, oil,nuclear fuel etc. Renewable energy sources are :- wind, solar, tidal, Geo thermal etc.
Show More
323 views
2 answers
asked
Dec 18, 2017
by
anonymous
.jpg)
What is the difference between a switch and a relay?
Last Answer : Switch is simply a mechanical contact mechanism and relay is a electromagnetic switch . Switch can be direct mechanically turn on and off but relay can be operated by energising coil .
Show More
110 views
1 answer
asked
Dec 17, 2017
by
anonymous

What is the difference between a coil and an inductor?
Last Answer : Inductor is covering with insulating material is called coil.so they differentiate between coil and inductor.
Show More
110 views
1 answer
asked
Dec 16, 2017
by
anonymous

What is the difference between forward and reverse bias?
Last Answer : Forward bias is a PN junction bias which allows current to flow through the junction. Forward bias decreases the resistance of the depletion layer. Reverse bias is a PN junction bias that allows only ... Positive polarity on the n-type material and negative polarity to the p-type material.
Show More
277 views
3 answers
asked
Dec 9, 2017
by
anonymous

Last Answer : The inductive interference between power and communication line can be minimized by transposition of the power line, transposition of the communication line.
Show More
175 views
1 answer
asked
Mar 20, 2018
by
anonymous
.jpg)
Last Answer : The interaction between a transmission line and communication line is minimized by transposing transmission as well as communication lines, increasing the height of the transmission line tower, increasing the distance between the two lines.
Show More
168 views
1 answer
asked
Mar 20, 2018
by
anonymous

Two waves of the same frequency have opposite phase when the phase angle between them is?
Last Answer : Two waves of the same frequency have opposite phase when the phase angle between them is 180°.
Show More
773 views
1 answer
asked
Mar 24, 2018
by
anonymous
