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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 is ripples at the beginning of time?

That depends on what you mean by ripples at the beginning of time. If you are referring to inflation of the universe caused by the Big Bang, and the subsequent "ripples", then those ripples are the leftover, background radiation from the event.

If you are referring to ripples in space-time, then it still could have multiple meanings. Space itself can "ripple" in a wave-like fashion when affected by gravity.

What are the characteristics of ttl nand gate?

A: It is simply a function of negating a true input, the other characteristics s that it is limited in fan-in fan -out capabilities

What is series dropping resistor?

A series dropping resistor is a resistor that limits the amount of current flow in a circuit.

What is the device called that can convert DC into AC radio frequency something Arc?

An "electric arc" may generate radio frequency noise.

There are many devices, having various purposes, which generate RF.

Jacobs Ladder, arc welder, Tesla Coil, radio transmitter, microwave oven...

Some generate RF for a specific purpose, others generate RF as a by-product.

How do you make conductive glue?

IF you mix carbon with glue, it becomes conductive.

here is a website that you can buy wire glue from:

http://www.goldmine-elec-products.com/prodinfo.asp?number=G16133

What is pi4?

Pi4 is a short toxin found at very low abundance in the venom of Pandinus imperator scorpions. It is a potent blocker of K+ channels. Like the other members of the -KTX6 subfamily to which it belongs, it is cross-linked by four disulfide bonds. The synthetic analog (sPi4) and the natural toxin (nPi4) have been obtained by solid-phase synthesis or from scorpion venom.

Describe the properties and an application of two different mangntic materials commonly used in electrical and electronic engineering?

Yes very important, wheels on car are spun on very hard steel die's not aluminum, the properties of the two metals are very different, one is soft and the other is hard, (the wearing-out of the metals with extended use). also how materials interact with each other as in coexistance and enhancement. many things swell and shrink with heat and cold, linen is easier to sew then fleese, patternmakers must take in all factors concerning the product the're working with.

Speed-power product OF TTL?

The product of propagation delay and power dissipation is called Speed power product.

What is the function of a bandwidth controller?

Bandwidth control is used to ensure that people do not exceed their given bandwidth amount. If the limit is exceeded, they are charged extra as a penalty.

What digital multimeter scale should be used when testing the signal from a Hall-effect switch?

You should use the scale that shows correctly your supply voltage.

Most Hall-effect switches provide either a logical output or an open-collector output.

If the output is logical, you can expect the value to be between 0 and your supply voltage.

If the output is open-collector, you must bias the output to your supply voltage with a resistor; otherwise you will always read "0". If biased, the output will be between 0 and the voltage bias.

If you are not certain of which type you have, try finding the datasheet on the Internet; otherwise, you can always bias the output to your supply voltage; if you properly choose the resistor, it should not adversely affect the behaviour of the logical-level output.

I would suggest trying 1 kOhm with a 5 V supply; this gives a bias current of 5 mA, which most Hall-effect sensors should be able to cope with.

There are other Hall-effect sensors that provide linear output, but this answer is about a Hall-effect switch.

What is the difference between a half bridge and a full bridge inverter?

A half bridge inverter is an electronic circuit that uses different phases to do what it needs to do. A full bridge inverter is a single phase device so a half bridge is more complicated than a full bridge.

Which is more efficient loaded or unloaded circuits?

Efficiency is typically associated with minimizing losses in a circuit. If you have no load you couldn't compute efficiency. If there is a load you need to determine what you are trying to measure. For example, in an incandescent light bulb a lot of power is wasted in heat. So if light is what you are looking for an incandescent bulb isn't very efficient. A compact fluorescent would be more efficient. However, if you were using a light bulb to power an "Easy Bake" oven it would be more efficient.

How can you connect resistors to produce an equivalent resistance which is the same as the resistance of each individual resistor?

You can connect 4 resistors in series-parallel, i.e. two in series, both in parallel with another two, and the effective resistance would be the same as one resistor. Similarly, you can connect nine resistors in 3x3 series-parallel, or 16 resistors in 4x4 series-parallel, etc. to get the same resistance of one resistor.

What is a contact resistor?

A: I snot a resistor but rather an unwanted resistance on a contact

What frequency range does the unites states use for FM broadcasting?

It depends on from which country the signal is broadcasting .

In general it is the range of kilo to mega Hz.

usually, throughout the world 87.5 MHz to 108.0 MHz is used .

A2

The range of any RF signal is dependant on the power output, the height and efficiency of the aerial. So there is no information to give you an answer.

The difference between FM and AM, is that FM has the 'capture effect'. This is where the strongest signal wins, at the receiver.

AM signals on the same frequency, will compete and beat together, so you will hear both stations at the receiver.

FM signals at the receiver will detect the strongest signal and supress a weaker signal on the same frequency, so you only hear the stronger signal.

If you are tuning into a weak FM signal, the background hiss will increase with range until you cannot hear the signal over the noise.

FM is more desirable for quality signals containing music, at close range.

AM suffers more from other stations but does not get noisey with range, so weak communications can be heard at a greater range. This is desirable for communications.

What is current source converter?

A current source converter (CSC) is a power electronic device that converts electrical energy from one form to another, specifically by controlling the output current. It operates by using a current source as its input, often employing thyristors or other controlled devices to manage the flow of current. CSCs are commonly used in applications like high-voltage direct current (HVDC) transmission and motor drives, providing advantages such as improved power quality and efficient energy transfer. Their ability to handle bidirectional power flow makes them suitable for renewable energy integration and flexible grid operations.