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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 can you get the largest voltage difference?
There is no such thing as a 'voltage difference'! 'Voltage' means 'potential difference', so what you appear to be asking is "How do you get the largest potential difference difference?'!
Potential difference is caused by the separation of charges between two points. The greater the amount of charge separation, the greater the potential difference.
What are the advantages of series circuit?
The advantage of series is it uses less current than parallel
Your close, It's called a Wire Wound resistor. There are several types of resistors in use for electronics, the type is determined by it's construction.
A Carbon Comp. resistor is made up of .... you guessed it, carbon composition material which resists the flow of electrons, like blowing through different sized screens.
Film resistors work the same way, but they use a semiconducting film instead of a formed solid material.
Wire Wound resistors are actually 1 solid core wire wound around a ceramic rod.
In audio applications, a wire wound is the least detrimental to the sound, then film and composition. Wire wounds are the most expensive and get very large with high wattage values.
Here's a good link: http:/wwwzperiodzwelwynzhyphenzttzperiodzcozperiodzuk/pdf/application_notes/CCR_AN_Azperiodzpdf
What extracts the intelligence from a high frequency carrier in FM receivers?
One method to extract the intelligence (signal) from a high frequency carrier in FM receivers is with a phase locked loop.
If current is 3 amperes and resistance is 1.5 ohms, then voltage is 4.5 volts. (Ohm's law: voltage equals amperes times resistance) Power is volts times amperes, or 13.5 watts. A watt is a joule per second, so suppling 13.5 watts for 4.5 seconds produces 60.75 joules.
What sort of store is Circuit City?
Before closing in 2009 Circuit City was a electronics corporation retail outlet chain. They had 567 Circuit City superstores but now operate solely as an online electronics and media retailer.
It depends on the periodic time of the supply which, in turn, is determined by the supply frequency. So, work out the periodic time of a 50 or 60-Hz waveform, and go from there.
How do monolithic ICs provide good thermal stability?
- all the parts in the IC were made together so they have nearly identical characteristics
- the parts are close together in the IC so are probably at nearly the same temperature
The three standard forms of analog amplifier biasing are:
- class A - the amplifier is biased in the center of its linear operating range, this is the most linear but least efficient type of amplifier (because the transistors or tubes are always conducting, even when there is no signal to ampliify).
- class B - the amplifier is biased at the cutoff point, this is an efficient amplifier but is only linear if operated as a push-pull amplifier (because the transistors or tubes are in cutoff and not conducting when there is no signal and through one half of every cycle, a class B push-pull amplifier has two sections that operate on alternate halves of the cycle).
- class C - the amplifier is biased in hard cutoff so that only the peaks of the input signal are amplified, this is the most efficient amplifier (because the transistors or tubes may be in cutoff and not conducting for more the 85% of the time) but it is not capable of linear amplification. An amplifier biased as class C is only suitable for use in RF transmitter power stages, where a resonant LC tank circuit will be excited into oscillation by the output of the amplifier and complete the missing parts of the cycle.
Partisan bias refers to the tendency of individuals, organizations, or media outlets to favor one political party or ideology over others, influencing how information is presented and interpreted. This bias can manifest in various ways, such as selective reporting, framing issues in a particular light, or emphasizing certain facts while downplaying others. As a result, it can lead to skewed perceptions and polarize public opinion, making it challenging for individuals to access balanced and objective information.
What is different between digital and analog?
Consider this:
You want so signal your friend using a torch light. Now you might think there is only one way to signal to your friend by turning on and off the flashlight right? But actually there are more ways.
1) Turning on and off the flashlight
2) Dimming the torchlight and bringing it back to full shine
So here method 1) is the digital way to signal to your friend and method 2) is the analog way to signal to your friend.
Difference: In method one its either full signal or null as in case of digital signal 0 or 1
In method two there is always signal(torch is always glowing) but we are signaling by dimming the glow of light.
cheers,
...kam
In electronics, the term "digital" refers to circuits in which individual data are represented by a discrete set of voltages -- usually only two (i.e., either a "logic 1" or a "logic 0"). In this case, each datum is a binary entity called a bit. Data in the form of numbers other than 0 or 1 (e.g., 2, 365, 3.14159, etc.) are represented as patterns of bits.
In analog circuits, each datum is encoded as a continuous voltage within a range. Such circuits are widely used in such application areas as audio electronics, radio, motor control, etc.
Historically (c. 1960), analog computers were developed that competed with digital computers. However, digital circuits are at the heart of virtually all modern computers.
wattless current means that current by which no power is dissipated (Power=0).
If there is less voltage across a resistor, there will also be less current.
As for the second question, I assume you mean two resistors in series. If the voltage or potential difference across one decreases, then the other one must increase, due to Kirchhof's Voltage Law: the total voltage across the two resistors must be equal to the voltage across the battery, which is usually assumed to be constant.
AnswerYou can think of voltage drops in terms of a water radiator central heating system. In order to drive water around all the radiators, there must be a difference in pressure across the entire system. But for water to flow through each, individual, radiator, there must also be a difference in pressure across its input and output orifices. The sum of these individual pressure difference must equal the pressure difference across the entire system.
If you now equate a pressure difference across an individual radiator with the voltage drop across a resistor, then the sum of the voltage drops across each resistor must equal the voltage across the entire circuit.
You should also realise that voltage does not 'slow down' current -it affects its magnitude (in amperes)
No, a tuner is not an amplifier. A tuner is a device that receives and decodes radio signals, allowing you to listen to broadcasted content. An amplifier, on the other hand, strengthens audio signals to drive speakers and enhance sound output. While some audio systems may combine both functions, they serve distinct purposes.
What will happen to the mobile if you put it in charger to much?
Good Mobile phones have built in overcharging protection built in. when battery reaches a maximum charging level, the current flowing through it reduces. once charging current flow reduces below a threshold level, a circuit completely cuts it, separating the charger from the mobile phone. Also, with current batteries, there is no longer the problem of having to run your battery down completely before charging. Previously, doing this would cause the available charge to shrink.
