410 Answered Questions for the topic electrical engineering

Electrical Engineering Machines

09/19/16

A short shunt dc compound generator supplies200V at 100A .
The resistance of Armature ,series and shunt field winding are 0.04,0.03 and 60 ohm respectively.Find the emf generated and also find the emf generated if the same machine is connected as a long... more
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Electrical Engineering Electron Configuration

07/11/16

They are looking for the d.c resistance as well as the a.c resistance
A single phase 8kv, 50hz, 50cm transmission line consists of three aluminum conductors with 3cm diameter. If the 50hz of the line is 5% greater than the D.C resistance, calculate the (i) D.C... more
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Electrical Engineering Electricity Electrical

05/22/16

Can someone answer this question please?
Calculations made in accord with NEC article 220 indicate 110 amperes of continuous load with 40 amperes of noncontinuous load on a single-phase, 240/120-volt feeder.  What is the minimum conductor... more
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Electrical Engineering Electricity Wire

05/22/16

What is the answer to this question? I could not find it anywhere.
What is the size of the largest solid (not stranded) conductor approved for installation in raceways?
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Electrical Engineering Matlab Mechanical Engineering Measurements

04/12/16

Please help with the following mechanical measurements homework question.
The signal, v(t) = 5cos(2πt) is measured with the following sampling periods of, 3/4 second, 1/2second, 1/8 second, and 1/30 second. Plot 10 seconds of each waveform using the “stairs()”command in... more
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Electrical Engineering

01/21/16

Is there any way of testing a PCB by using only one end?
For a normal PCB we can do continuity test by putting multi meter probes across 2 ends, but in my case only one end can be used. The pcb is covered fully and only one wire connected from pcb is... more
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Electrical Engineering Science Physics General Relativity

12/03/15

How to find rest energy and kinetic energy of a ball?
Calculate the rest energy and the kinetic energy of:a) A 100g ball travelling with the speed of 100m/sb) An electron travelling at a speed of 0.999c. Which one has greater rest energy? Which one... more
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Electrical Engineering Chemistry Physics Electrical Energy

11/18/15

Solar Cells Question
Calculate the power generated by the solar cell which obtained Voc = 0.87 V and Isc = 4.1 mA upon direct exposure to sunlight. Assume a fill factor of 25%.
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Electrical Engineering

04/22/15

if the outdoor mccb 100 A can i install the main cb in mdb 150A
i have villa , building size is 375 m^2 on the boundary wall of the villa i have molded case circuit breaker (mccb) rated 100 a . I need to install main distribution panel (mdp) inside the villa my... more
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Electrical Engineering

06/29/13

What level of knowledge do you must know in electrical engineering to invent gadgets?
College level? And where should you invent gadgets? What are some gadets we need in electrical engineering that if one invented, that person will earn lots of money? If invented, how much money can... more
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