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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 many btu per horsepower?

There are no BTUs per horsepower. A British Thermal Unit is an archaic unit of measurement of energy, whereas a horsepower is an archaic unit of measurement for power. As energy and power are two different quantities, you question is akin to asking, "How many miles are there in a mile per hour?"

What is an alternate set of units using Ohms law for V equals IR?

The most common unit systems for electromagnetic problems are MKS and CGS; [meters, Kilograms, seconds] and [centimeters, grams, seconds] respectively. But any self-consistent unit system will work with ohm's law. Just check to make sure the units cancel properly on both sides of the equation if you're not sure.

When were remotes made?

TV remotes of one kind or another have been manufactured almost continuously since 1950 to today.

What is used in an electrical circuit to prevent a short circuit?

difference between p type and n type semiconducter material

Answer

Insulation is used to prevent a short current. To protect the circuit should a short-circuit fault occur is either a fuse or a circuit breaker.

What is a LDR?

A L.D.R is a light dependant resistor

A photo resistor or Light Dependent Resistor or CDS Cell is an electronic component whose resistance decreases with increasing incident light intensity. It can also be referred to as a photo conductor.

A photo resistor is made of a high resistance semiconductor. If light falling on the device is of high enough frequency, photons absorbed by the semiconductor give bound electrons enough energy to jump into the conduction band. The resulting free electron (and its hole partner) conduct electricity, thereby lowering resistance.

A photoelectric device can be either intrinsic or extrinsic. An intrinsic semiconductor has its own charge carriers and is not an efficient semiconductor, egg. silicon. In intrinsic devices, the only available electrons are in the valence band, and hence the photon must have enough energy to excite the electron across the entire band gap. Extrinsic devices have impurities added, which have a ground state energy closer to the conduction band - since the electrons don't have as far to jump, lower energy photons (i.e. longer wavelengths and lower frequencies) are sufficient to trigger the device. If a sample of silicon has some of its atoms replaced by phosphorus atoms(impurities), there will be extra electrons available for conduction.

Cost of enercon turbine?

Around £9-11million Maximum

Enercon E-126 costs £26-30million

Working of choke in tubelight?

The choke works as an inductor(filter) induced 850V to 1100V in starting,by strarter make and break of the circuit. After glowing the tube light choke work as inductance and provide 110v to circuit, here the function of starter comes. It helps the chocke to brek from the circuit and to 110v from 850V.

thankining U "Nikki"

What is the formula for calculating power if you are given magnetic field?

The formula for calculating power if you are given a magnetic field is sub 43

What is it that sends an alarm when water overflows in a tank?

The tank overfill sensors we usually see are essentially floats that actuate some kind of switch or "detector" that sends the overfill alarm. Dozens of companies in the US and abroad manufacture these units, and they're quite simple and effective. Additionally, we usually see them set up such that they alarm before overfilling of a tank occurs. There may be a sensor in an overflow conduit that will send an alarm when overflow actually occurs, but we usually like to preventoverflow.

What is the Formula for series and parallel?

you need to be more specific but my guess is your referring to ohm's law the basic formula is Voltage(V)=current (intensity (A)) multiplied by resistance (Ohms). the formula can be reversed to calculate intensity using voltage divided by resistance or to calculate resistance using voltage divided intensity. an easy way to remember this formula is to make a triangle like this and cover the value you want to find the two bottom ones multiply and the top one gets divided. / \
/ V \
--------
/ I : R \
-------------

What is Sample conditioning system?

sampling conditioning system is a group of equipment starting from the probe "take off point" , pressure regulator ,cooler or heater ,filters end with flow meter " to bring sample conditions to match required conditions for the analyzer

What is current crowding effect?

a nonhomogenous distribution of current density through a conductor or semiconductor, especially at the vicinity of the contacts and over the PN junctions.

What would cause an alternator to go bad in less than 1 year?

Mechanically or electrically?T The belt tension was too tight and caused the alt bearings to fail early. You jumped it off with revesed battery ca

What does a interrupt controller do?

Data is transferred across the internal "bus" (just a term for the common communication medium inside the computer). When a device (disk drive, video card, peripheral controller) wants to send data it raises it's interrupt "flag", to let the interrupt controller know that it has a request. Based on priorities and timing, the interrupt controller "grants" access to the bus and the device is allowed to send data. Imagine a signal light at a complex intersection. A data collision on the bus would result in immediate failure and the computer would crash.

How do you program casio Ce 6100?

hi,

i am currently helping a friend to program this cashier machine.

Here are some tricks to start off programming of this machine.

To start program:

1. Turn key to PGM mode

2. key in either 2, 3 or 4 then press sub total.

3. key in the program data* or char.

4. when finish, press either CA for mode 3 or sub total for mode 2 to end the mode.

===========================================================

* for program data, this is the tricky part.

in way data are key in are in an reverse order. meaning you key in the last digit first then the first digit last in the program mode.

example:

program data key in = " 1 1 1 1 1 1 1 1 1 1 1 "

Order in manual = D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0

This is the start... please state exactly what you looking for, then i am able to help more.

thank you

What does the resistance of the flow of electrons cause?

it cause no electricity because of the resistance

but....

if your question was..... "the caused by the flow of electrons" then the answer well be ( it cause electricity )

List of core companies in hyderabad for ece?

List of Electronic Companies In Hyderabad:

1. Tata Elxsi/Sasken2. Ittiam Systems3. Infosys/TCS4. HCL Technologies/Wipro5. KPIT Cummins Infosystems5. Mphasis/BFL6. Symphony7. Sonata Software8. Mistral/eInfochips9. Dexcel Designs10. Robosoft/Yindusoft

List of Electronic Companies In Hyderabad:

If you have four batteries in series what is the output voltage?

depends on the voltage of the batteries..

four 12 volt car batteries would output 4x12 = 48 v

Differences of pbx pabx and epabx?

All the 3 acronyms kind of denote the same thing ... as the terms are redundant or taken for granted

PBX: Private Branch Xchange

PABX: A=Automatic (made sense when there were manual ones)

EPABX: E=Electronic (made sense when there were mechanical ones)

How do you design a multilevel inverter?

the design of multilevel inverter can be done by using is the mosfets ....multilevel inverter is the inverter which cna reduce the harmonics by increasing the voltage levels

ANSWER: The design of multilevel converter is the same as a single converter. The feedback control however comes from the most hi current output capacity circuit.