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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

What are cut-off and saturation points in a dc load line?

The cut-off point is the exact point where the load line crosses with the vector axis. The saturation point is the point where the load line intersects with the collector current axis.

800 MHz is how many watts?

800mhz is a frequency, not a measure of wattage. The two are not related.

Which scientist prove that luminiferous ether does not exist?

Even after the null result of the Michelson-Morley experimient the existence of luminerferous ether continued to be taken for granted by expert consensus until the 1905 publication of Einstein's theory of Special Relativity. Special Relativity did not disprove the existence of the ether (scientific proof is, in principle, not possible). What it did do was show that the ether was not necessary to explain any known property of nature. Being redundant and lacking utility the ether was therefore gradually dropped as a topic of study and discussion.

Ttl nand gate?

The TTL Nand gate is usually used in the design of various electric circuits.

What is the concept of electrical power and power transfer?

A system which can accommodate large inter-area transfers is generally more

robust and flexible than a system with limited ability to accommodate inter-area

transfers. Thus, transfer capability can be used as a rough indicator of relative

system security.

Basically power is the work done per unit time. So anything that is utilizing energy has a power consumption or production. So electric power is the electric energy consumed or produced per unit time.

The resistance of a liquid to flowing?

Viscosity is the resistance of a liquid to flow. It is a measure of the internal friction within a fluid as it moves. Liquids with high viscosity flow more slowly than those with low viscosity.

What is a inverted caret?

An upside down ^, often used in music. Check Caret on Wikipedia for more info.

What is the remote control code for TCL Model TF51T18 television?

Not sure a out your model but try codes for RCA. I have a 24" TCL tv and the code that worked for Direct GV was 11447. Good Luck

How you can determine whether signal is power signal or energy signal?

A signal x(t) is called an energy signal , if the energy is finite and the power is zero.

A signal x(t) is called an power signal , if the power is finite and the energy is infinite.

If the input resistor is 3k ohms and the feedback resistor is 33k ohms in an inverting amplifier what is the voltage gain?

If the input resistor is 3k ohms and the feedback resistor is 33k ohms in an inverting amplifier the voltage gain is -11, the ratio of 33 over 3.

Consider this... The negative input terminal is a virtual ground, assuming that the positive terminal is tied to ground (usually) through a resistor. That means you have a simple voltage divider between output and input, and the output will be whatever it takes to get the common point (the negative input) to be zero. From there, its all just Ohm's law.

What is data acquisition?

The word "acquisition" means to collect or to get. So "data acquisition" means collection of data. This can be done by either automated or manual means, however in the context of electronics its almost always automated.

How many capacitors are use in a circuit?

Capacitors store charge. There are many applications for their use. There is no set amount of capacitors in a circuit since it is application dependent.

What does the customer need in hair dryer?

Good heat settings, light weight, cool shot function, long lasting and powerful motor and a good price and warranty. Look at the Karmin salon pro hair dryer, it has pretty much what all of them should have.

What is meant by monopulse antenna?

Sorry about my approximativ english.
We use the term of "monopulse antenna" for an antenna dedicated to track a moving target thanks to a so called monopulse system. The principle of a monopulse system is based on the creation of a tracking signal inside the feed of the antenna which has the particularity to have a null amplitude when idealy pointed to the target and to have an increasing amplitude when depointed from the target. The more the antenna is depointed the bigger is the amplitude (around the pointed direction). A monopulse system tries continuously to cancel the amplitude of this signal. That will mean the antenna remains idealy pointed to the target. This system has really good tracking performances (when it is properly tuned) compared to more simple system like Step-Track system which just tries to maximize the fundamental signal received from the target. I am not sure I was clear.

How do you make uno attack electrically shock the player when it shoots out cards?

Yuo need to hav wires that abzorb electric shock an them shoch them (but dont mak it 2 harsh!)lol

How do I measure AC current using microcontroller.?

1. PIC16F877A

2. CT

3.difference amplifier

DIFFERENCE AMPLIFIER:

To measure this current with pic microcontroller,we have to use ADC module of PIC microcontroller.To use ADC module we will convert current into voltage form by using a .1 ohm shunt resistor across CT and we will measure this voltage drop across shunt resistor.Then this voltage drop can be easily converted into current again.For example

voltage drop across .1 ohm shunt resistor =8v

then current according to ohm law

V=IR

I=V/R

I=8/.1=8A

but the problem is ADC of pic microcontroller can never measure voltage greater than 5 volt. so to solve this problem we can use differenceamplifier. By adjusting gain of difference amplifier we can reduce voltage lower than 5 volts.

What is the frequency of a bridge rectifier with no filter present?

It is like a sine-wave, but in the cycle both halves have the same polarity. Alternate half-cycles are reversed in phase so that they are all the same way. The fundamental frequency in the waveform is double the supply frequency, making the design of the filter easier.