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Electronics Engineering
Electronics Engineering is a branch of engineering that deals with practical applications of electronic components, devices, systems, or equipment. Electronics are devices that operate on low voltage sources, as in electron tubes, transistors, integrated circuits, and printed circuit boards and use electricity as part of its driving force.
24,372 Questions
How initially voltage build up in an alternator by residual magnetism?
The residual flux will help the phenomenon of changing flux. So that emf generation takes place.
Can you use a 12 volt charger to charge 6 volt batteries in recessive situation?
That really depends on how the charger is made. What would likely happen is that the charger would try to deliver more current than it is designed to. The result would be either a blown fuse or diodes in the charger unless it has protection circuits in it.
One thing you could try would be a current limit in series with the charger output. A headlamp in series could work to limit the current to somewhere around 3-6 amps and prevent having an overcurrent situation on the charger. Dad calls the light bulb current limit a "rubber fuse" It will take longer to charge that way and you really need to check the battery voltage often making sure not to exceed about 6.75V Be aware that with this method there is no way for the charger to sense that the battery is fully charged. It will continue to try to push to around 14 volts which will never happen until you cause an open cell in the 6v battery.
charger + to headlamp bulb, other side of bulb to battery+ B- to charger-
That could get you out of a pinch but you really need a charger designed for 6v charging.
It is the ratio of the difference in slope at beggining and end of sweep to initial value of sweep.This error is due to deviation fron linearity.The important requirement of sweep is that it must vary linearly with time.
What does the h stand for in the word mother?
the transistor gain is expressed in abrivation hfe. my question is that which are the words the hfe stand for
What voltage is Japans electrical current?
"The voltage in Japan is 100 Volt" (japan-guide.com, 2007)
"The frequency of electric current is 50 Hertz in Eastern Japan (including Tokyo, Yokohama, Tohoku, Hokkaido) and 60 Hertz in Western Japan (including Nagoya, Osaka, Kyoto, Hiroshima, Shikoku, Kyushu)" (japan-guide.com, 2007)
Material that enhances the flow of electricity?
Do you really mean 'enhance', or do you simply mean 'allow'? If the latter, then presumably the answer you are looking for is 'conductor'! If you mean the former, then the answer is a 'good conductor'.
What is the difference between with capacitor rectifier and without capacitor rectifier?
To know the difference between capacitor and non capacitor rectifiers one must study what is the function of filter part.the filter part consists of capacitors or inductors or combination of both.
the output of a simple diode rectifier is pulsating dc which means it consists of both dc part and ac part. filters are used to remove the ac part from such an output.
capacitor filter means that a capacitor is used for filtering out the ac part.
non capacitor or inductor filter means that an inductor is used for filtering out the ac part.
There is another type called pii filter where both inductor and capacitor are used.
Pii filter is the best kind of filter available
What parts of a circuit acts as a resistor?
Any part of a circuit that has a voltage drop across it is a resistor.
How many people bought an iPad?
Apple claims to have sold 3,000,000 ipads in the first 80 days of sale. That number, however, is always going up.
In a series RLC circuit at frequencies above resonance is the circuit capacitive or inductive?
in series you XL, voltage leads the current, and in Parallel current leads the voltage. so your answer should reflect on this theory.
Is there any voltage from a battery in an open circuit?
Voltage is a measure of electric 'push'. When there's nothing to push (no circuit) it has no meaning, but that isn't to say it isn't there.
Just the same as if you push a car. Take the car away and your push goes away. (or does it?)
2*p*.707
because P=C*f*V2
f has been multiplied by 2 but that doubling in frequency also changes the capacitive impedance by a factor of (1 divided by the square root of 2).
A short circuit which offers very low, practically zero, fault resistance is called "dead short circuit". further more it bypasses the entire load current through itself.
I asked this question myself, but found the answer by other means, so I might as well share it with everyone else in case they ever happen to stumble upon a question like this.
First of all, a Tesla Coil does generate radio waves and it can generate radio waves in the AM band, but not very well, so much so that, as far as information goes, one can't really transmit much more than Morse code. Also, it is very hard to tune a Tesla Coil to its own resonant frequency, and tuning it to another frequency would cause it to loose a lot of power, or even to not work at all. Therefore, it might be a better idea to change the resonant frequency of the Tesla Coil, but this is impossible, as it is a single set value, so you'd have to either construct several Tesla Coils (each one with a different frequency), or an extremely complex device that even I have trouble conceiving, which could have a variable resonant frequency. Keep in mind though, that neither of these alternatives could transmit information, just an empty signal. For information, you'd need a device even more complex than the previous one, neither of which I know of to exist.
One would be far better off with a conventional AM transmitter. A really good one is the AM88 transmitter found in the "Build Your Own Low-Power Transmitters" book, from the AARL.
