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The lock range of PLL is not governed by...

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19 answers 98 views

Moving iron instruments can be used for measuring (1) Direct currents and voltages (2) Radio frequency currents (3) A.C currents and voltages (4) Both (a) and (c)

asked Apr 11, 2018 in Electrical Engineering by Shimroz123
17 answers 554 views

Which device use to convert DC to AC?

asked Dec 9, 2017 in Power Electronics by Quiz
11 answers 110 views

Commutator is used in  (a) DC generator (b) AC generator (c) invertors (d) convertors

asked Apr 9, 2018 in Electrical Engineering by Shimroz123
9 answers 306 views

Can transformer convert AC to DC?

asked Dec 9, 2017 in Power Electronics by Quiz
8 answers 104 views

Oil in a transformer is used for  (1) insulation (2) insulation and cooling (3) lubrication (4) insulation, cooling and lubrication

asked Apr 10, 2018 in Electrical Engineering by Shimroz123
7 answers 139 views

Do capacitors in parallel have the same voltage?

asked Dec 11, 2017 in Electrical Engineering by Quiz
7 answers 1,161 views

Draw the structural diagram of GTO. Explain briefly the switching behavior of GTO with the help of appropriate voltage and current waveform.

asked Aug 8, 2017 in Unit 1 by Zeeshan
6 answers 108 views

1.Determine the permeability of magnetic material by plotting its BH curve 2. Measure voltage, current and power in 1-phase circuit with resistive load. 3. Measure voltage, current and power in R-L series circuit. 4.Determine the transformation ratio (K) of 1-phase transformer. 5.Connect single phase transformer and measure input and output quantities. 6.Make Star and Delta connection in induction motor starters and measure the line and phase values.

asked Aug 28, 2018 in Basic electrical and electronics engineering by Zeeshan
6 answers 287 views

What is the full form of IC?

asked Dec 16, 2017 in Analog electronics circuits by Quiz
6 answers 245 views

what is lightning arrester?

asked Nov 30, 2017 in Electrical Engineering by Quiz
5 answers 374 views
5 answers 202 views
5 answers 27 views

If a d.c. motor is disconnected from the source and armature circuit is short circuited through a suitable resistance, the process is called (a) regenerative breaking (b) rheostatic breaking (c) dynamic breaking (d) no breaking is possible

asked May 25, 2018 in DC motor by Shimroz123
5 answers 62 views

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asked Apr 3, 2018 in Basic Electrical Technology by Shimroz123
5 answers 60 views

How does the electricity travel?

asked Mar 10, 2018 in Advanced electrical power system by Quiz
5 answers 608 views

what is voltage?

asked Aug 3, 2017 in Electrical Engineering by Zeeshan
4 answers 101 views

5(4+1) ÷ 5(5) = ?

asked 3 days ago in Mathematics by Shimroz123
4 answers 102 views

You can add here did you know facts.

asked May 24 by Shimroz123
4 answers 164 views
4 answers 63 views

Draw block diagram of Data Acquisition System (DAS). Write function of each block.

asked Sep 12, 2018 by Shimroz123
4 answers 70 views

Draw block diagram of instrumentation system. State function.

asked Sep 8, 2018 by Shimroz123
4 answers 209 views

What are the main components of a computer system?

asked Mar 10, 2018 in Computer organization by Quiz
4 answers 91 views

Is it AC or DC electricity in the home?

asked Mar 10, 2018 in Advanced electrical power system by Quiz
4 answers 173 views

What is the voltage in 3 phase line?

asked Dec 22, 2017 in Fundamentals of electrical power systems by Quiz
4 answers 68 views

What causes stator failure?

asked Dec 16, 2017 in Electrical machine design by Quiz
4 answers 115 views

What is the voltage of a red LED?

asked Dec 9, 2017 in Power Electronics by Quiz
4 answers 184 views

does ohm's law apply to ac circuits?

asked Oct 2, 2017 in Electrical Engineering by Quiz
4 answers 58 views
4 answers 123 views

what is ammeter ?

asked Aug 6, 2017 in Electrical Engineering by Zeeshan
4 answers 412 views

what is current?

asked Aug 3, 2017 in Electrical Engineering by Zeeshan
3 answers 70 views

6 ÷ 2 (1+2) = ? a) 1 b) 9

asked 4 days ago in Mathematics by Shimroz123
3 answers 117 views

Describe the difference between an open circuit and a short circuit.

asked Jun 29 by Shimroz123
3 answers 69 views

State disadvantages of low power factor.

asked Oct 12, 2018 in Industry Electrical Systems-II by Shimroz123
3 answers 92 views
asked Sep 22, 2018 by anonymous
3 answers 48 views

Explain construction and working of isolation transformer.

asked Sep 14, 2018 by Shimroz123
3 answers 44 views

State with neat sketch the construction of three phase autotransformer.

asked Sep 14, 2018 by Shimroz123
3 answers 16 views

Draw and explain the working principle of ultrasonic level measurement system. Also give advantages, disadvantages and applications of it.

asked Sep 12, 2018 by Shimroz123
3 answers 14 views

Define : 1) Dynamic error ii) Settling time.

asked Sep 12, 2018 by Shimroz123
3 answers 50 views

Describe working principle of ultrasonic level detector with diagram.

asked Sep 9, 2018 by Shimroz123
3 answers 76 views

Draw the constructional detail of C type bourdon tube and explain its working. 

asked Sep 8, 2018 by Shimroz123
3 answers 10 views

Define transducer. Give two examples.

asked Sep 8, 2018 by Shimroz123
3 answers 18 views

State any two advantages and two disadvantages of nuclear power plant.

asked Sep 8, 2018 by Shimroz123
3 answers 147 views

Why Transformer rating is given in kVA?

asked Aug 12, 2018 in Basic electrical and electronics engineering by Quiz
3 answers 269 views
3 answers 66 views

Define RMS value.

asked Aug 8, 2018 by Quiz
3 answers 92 views

Define: 1) statically induced EMF 2) dynamically induced EMF Write the names of equipments in which these two types of EMF get induced

asked Aug 8, 2018 by Quiz
3 answers 31 views

Compare electric and magnetic circuit.

asked Aug 8, 2018 by Quiz
3 answers 19 views

Dielectrics.............

asked May 30, 2018 in Dielectrics by Shimroz123
3 answers 62 views

The open loop control system is one in which _____.

asked May 29, 2018 in Control System by Shimroz123

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