All Questions
Tagged with electricity electrical-engineering
69
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Separating Interaction of Heat from Electricity?
I have a rod where electricity of frequencies 1-360 Hz is passed through. It is affected by heat. I am evaluating the energy involved in such a process, contributed by electricity and heat.
The ...
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1
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How to produce a bigger rotational velocity from two rotational velocities?
If I have two electronic motors, both running at the same voltage and current, delivering the same rotational velocity, how could I produce a bigger rotational velocity from them?
user29727
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Current in AC circuit
The problem is to find the current on the capacitor. $I''$ should be correct, but I don't know how to construct the formula for $I'$.
I managed to get the value for $I_c$ using Thevenin and Norton ...
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1
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How come the current is not determined only by the first resistor it encounters?
I was reading about circuits on this link, where they use a tollbooth analogy to explain electricity. Now either this is a bad analogy or I am missing something, but let's consider a circuit that ...
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Why is this a circuit in parallel if it is topologically different than a parallel circuit
I'm struggling to understand why the left circuit is equivalent to a parallel circuit. I'm trying every deformation in my mind I can think of but I can't seem to get out the second circuit.
Secondly,...
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How computer knows how much charged battery is? [closed]
How does phones and laptops knows how much charged the battery is? I found lot's of simple devices like tv remote can also do that. Whats the mechanism behind that and does it vary with different ...
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1
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What device is best to prevent electric motors from burning out? [closed]
Is there any equipment to prevent electric motors from burning out? I have researched about Transient voltage surge suppressor TVSS and also Surge protection device. Can this help?
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Powerlines in Asian villages are they safe? [closed]
Powerlines in Asia - I have seen lots of lines wound up or passing through bushes. Is this dangerous? How does this work?
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traditional transformer design improvement [closed]
The traditional tranformers suffer a lot of losses in various forms, some of them are as follows :
1. Flux leakage
2. Eddy currents
3. Hysteresis
Figure :
But as we are taught induction we come ...
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