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Electrical Engineering
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Questions (466)
What three things are required to produce voltage? These three things are the fundamentals of how an electrical generator works.
4 answers
asked by
MW
1,208 views
ultimately when it comes to the installation assembly and maintenance of circuits an electrician should view a schematic an a
3 answers
asked by
Anonymous
561 views
a 22 kilo ohm resistor having a tolerance of 10% has failed. you have on hand five resistors, valued at 120, 220, 47, 33 and 120
4 answers
asked by
lou
1,138 views
Please Help me on these:
3. What mathematical expression tells you to what percentage the charge is after n t1/2's? (All these
4 answers
asked by
Ramin
621 views
there are four individual transformer feeder having connected loads of 250 kva, 300 kva, 350 kva, demand factor of these are
4 answers
asked by
V Roy
938 views
a 100 V DC signal is applied to four resistors as shown in Fig. 5. The values of the resistors are 20 ohm, 40 ohm, 60 ohm and 80
4 answers
asked by
fatih
3,277 views
Consider the ideal transformer, where i1(t)=20cos(120πt) Amps and v1(t)=100cos(120πt−45∘) volts, and a = 1 and b = 10.
3 answers
asked by
Arivu
810 views
The LRT trolley system 10 miles long is fed by two substations that generate 600 volts and 560 volts, respectively. the
3 answers
asked by
TOMMY
1,571 views
How could you repair an electric fan that is not working properly? Apply the scientific method.
3 answers
asked by
Angela
1,763 views
Three impedances zL=3+j4 ohms, zC=4-j4 ohms and zR=0+j3 ohms are connected in parallel. solve for the power factor of the
3 answers
asked by
Student
681 views
A resistor (R = 900 ), a capacitor (C = 0.25 µF), and an inductor (L = 2.0 H) are connected in series across a 240 Hz AC source
3 answers
asked by
asmi
1,172 views
Select all statements below that are TRUE.
a.Transformers can increase both voltage and current at the output. b.Transformers can
4 answers
asked by
student
853 views
A transformer is to be used to provide power for a computer disk drive that needs 5.8 V (rms) instead of the 120 V (rms) from
4 answers
asked by
ricky
1,535 views
calculate the maximum working current of an appliance rated at 2.4kw with an operating
voltage of 240v
1 answer
asked by
ruth
340 views
Suppose there are two transformers between your house and the high-voltage transmission line that distributes the power. In
3 answers
asked by
Busker
836 views
A heading for an electric circuit with a battery, switch, conductor, light bulb
3 answers
asked by
Happiness
58 views
Differences between a shunt field coil and a series field winding
3 answers
asked by
Gift
91 views
2. A two-winding transformer with a laminated core is shown in the Figure. The winding with N1=200 turns is connected to a
3 answers
asked anonymously
176 views
When the circuit of the switch is closed, which statement is true
3 answers
asked by
Anonymous
72 views
What type of structure would a house circuit work most effectively
3 answers
asked by
Kgotsofalang
95 views
A car five marked 15A and operates normally on a 12v battery calculate the resistors of the fuse wire
4 answers
asked by
Gift
237 views
For three control stations there should be how many start buttons in parallel with the auxiliary contact
3 answers
asked by
Anonymous
409 views
Differentiate between an integrator and differentiator
3 answers
asked by
NONEE
398 views
We are given an input current Iin=100μA and a linear resistive load represented by the resistor RL . Our resistive load is not
3 answers
asked by
Amit
937 views
A certain OTA with a transconductance of 5000 µS has a load resistance of 10 kÙ. If the input voltage is 100 mV, what is the
3 answers
asked by
Bruce
593 views
at 3.68100017 kHz the reactance in a circuit of a 9 uF capacitor and an inductor are equal in magnitude. what is the value of
4 answers
asked by
fatih
1,156 views
A scale of the whole complete circuit
3 answers
asked by
Happiness
20 views
Description of a house structure circuit
3 answers
asked by
Mpho
27 views
Three resistors with values 1.1 , 3.4 , and 5.8 are connected in parallel in a circuit with a 6.4 battery.
What is the total
3 answers
asked by
Lanise
502 views
A 120-V motor has mechanical power output of 2.00 hp. It is 82.0% efficient in converting power that it takes in by electrical
4 answers
asked by
Jessi
1,700 views
1. x-ray machine operates at 200 kv with a current of 10 mA. The power mus be produced by a transformer which raises the voltage
3 answers
asked by
mitch
1,097 views
geeerel
5 answers
asked anonymously
39 views
A series RL circuit contains two resistors and two inductors. The resistors are 27 W and 47 W. The inductors have inductive
3 answers
asked by
sam
1,459 views
At what frequency would a 0•5H inductor have a reactance of 1000 ohms
2 answers
asked anonymously
38 views
Anything you may do to improve the electrial circuit
10 answers
asked anonymously
29 views
Why do people need this electric circuit and what problem does it solve
2 answers
asked anonymously
17 views
House lights circuit
2 answers
asked by
Wandile
43 views
Why is the core in a transformer is laminated
1 answer
asked by
Gift
83 views
Advantages of a single phase transformers
1 answer
asked by
Gift
72 views
What must be kept in mind when using a shunt generator
1 answer
asked by
Gift
79 views
Disadvantage of a series generator
1 answer
asked by
Gift
71 views
Disadvantage of a separately excited generator
1 answer
asked by
Gift
120 views
Characteristics of a series motor
1 answer
asked by
Gift
73 views
Two functions of a commutator in a Dc machine
1 answer
asked by
Gift
63 views
Fictions of a commutator in a dc machine
1 answer
asked by
Gift
66 views
The Operation of a DC motor
1 answer
asked by
Gift
71 views
Function of the brushes in Dc motor
1 answer
asked by
Gift
99 views
Function of the brushes in DC motor
1 answer
asked by
Gift
101 views
What are the ratings of a switchgear?
1 answer
asked by
Gift
72 views
Briefly explain overload and short circuit rating
1 answer
asked by
Gift
80 views
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