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Electronics

Electronics are a branch of technology and science that deals with the control of the flow of electrons.

3,725 Questions

How do you insert sd micro card for lg cosmos?

With considerable ease - I found the manual on the internet. Looking at the front of the handset - there is a removable 'hatch' on the right-hand edge of the case. The microSD card slot is under that. simply push the memory card in until it 'clicks'. Press it again until it clicks to remove it.

What is a GCC driving license?

It's a drivers license in India that only allows you to drive in certain countries.

What are the qualities a electronics professional need to excel in his field?

A: This was asked before and the criteria remains the same a very hi reasoning quality to think concepts and troubleshooting along to know which book to look up for an answer. Nobody knows it all nobody can. To complex, to many fields

Just an addition to the above answer, I agree that choices are broad, but, then its a good thing also. By Identifying your interest area, you can be a master of that one specific field.

The initial step is to know the various specialization in the field of Electronics, having a superficial knowledge of them and then decide, what intrigues you most?.

I hope that part is already covered. Next step might be in the identification of the current direction of the research going on. For this, reading magazine articles are more useful over journals.

I hope this was helpful.

What is the reactance of a 25 uf capacitor when the applied frequency is 400 hz?

Reactance is -1/2 pi F C so a 25 uF capacitor at 400 Hz would have a reactance of about -15.9 ohms. The negative sign indicates that capacitive reactance is leading, with current leading voltage.

Answer

I would take issue with the previous answer that capacitive reactance is expressed as a negative value, or that it is 'leading'. Reactance is not a vector quantity, so it neither leads nor lags anything. In a (theoretically) purely capacitive circuit, it is the load current that leads the supply voltage. However, when using complex notation, capacitive reactance is expressed as -j 15.9 ohms, where 'j' is called an 'operator' -but even this does not mean that the reactance is 'leading', as it defines reactance in terms of a current phasor -in other words, the '-j' refers to the relative position of current to voltage, not reactance to impedance.

Why capacitors may pose an electric shock even in unpowered circuits?

Capacitors are used to store electricity in a circuit, so even when the circuit is unpowered, so long as it's still functional, it would still give off a small electric shock due to electric charge present in capacitor.

What is the rarest Sony Receiver?

STEREO RECEIVER 6060F- SOLID STATE IS THE RAREST SONY RECEIVER. ALSO, IT KNOWN AS THE FIRST SOLID STATE STEREO RECEIVER EVER MADE BY SONY.

THE ORIGINAL STEREO RECEIVER (STR) 6060F-SOLID STATE HAS TWO VERSION- THE STR 6060F AND STR 6060FW. THE 6060F IS RARER THAN THE 6060FW. THE PRICE OF THE 6060FW COULD BE USD 200 - USD 600.

THE STEREO 6060F- SOLID STATE ITSELF HAS TWO MODEL-ONE FINISHED WITH WOODEN CABINET ON BOTH SIDES (USD300-USD1000) AND THE OTHER ONE IS FINISHED WITH METAL CABINET-THIS IS THE HARDEST TO FIND- IT COULD BE USD20,000.00 TO USD 25,000.00 OR EVEN MORE IF YOU FOUND THE RIGHT AVENUE TO SALE.

Limitation of operating condition in p-n junction?

the p-n junction diode will perform satisfactorily only if it is operated within certain limiting values or conditions.The are :-

1. Maximum forward current : it is the highest instantaneous current under forward bias.

2.Peak inverse voltage:

3.maximum power rating:it is the maximum power that can be dissipated at the junction without damaging it.

How does interlock mechanism work on a multi rail gear selector?

It is a safety device that prevents selecting two gears at the same time. If that happened the gearbox would be destroyed.

What is the difference between polling and vector interrupt service routine?

polling interrupt is alternative to the vector interrupt ,

it requires that the interrupt handler poll or send a signal to each device in turn in order to find out which one is sent the interrupt request.....

What are the Types of a television camera tube?

There are several types of television camera tube (also known as pickup tubes). There is the image dissector, the iconoscope, the Super-Emitron image iconoscope, the Orthicon and CPS Emitron, the image orthicon, and Vidicon. There are also currently several new technologies being developed making several new types of pickup tubes

What does the omega sign means in electronics?

The omega sigh is the unit of measurement for the resistance of energy!

Is the banded end of a diode positive or negative?

The Banded end of diode represents Cathode.
If you want the diode to be forward biased then the Cathode is made more negative than Anode.
For reverse biasing of Diode (Zener Diode) The Cathode is kept positive.
However the mail carrier of current in the Cathode is Electrons which are negative.

What is represented by 'A' in 'OA79' diode?

The symbol 'A' indicates that this device is made from germanium . as you may know germanium has less cut in voltage so this device is used for low power signal or for signal processing. also the leakage current or reverse saturation current of germanium is greater than silicon.

What are the advantages of API Testing?

The most common advantages of API testing are given below:

1. Test for Core Functionality: API testing provides access to the application with no user interface. This will allow core and code-level of functionalities of the application to be tested even before the GUI tests. This will help identify the minor issues which can become larger during the GUI testing.

2. Time Effective: API testing is usually less time consuming than functional GUI testing. The web elements in GUI testing must be polled that make the testing process pretty laggy.

3. Language-Independent: Data is exchanged using XML or JSON in the API testing. These transfer modes are entirely language-independent, that allows the users to select any code language when they adopt the automation testing services for a project.

4. Easy Integration with GUI: API tests perform highly integrable tests that are particularly useful to perform functional GUI tests after API testing. For example, a simple integration would allow new user accounts to be created within the application before a GUI test is started.

Do Email servers provide electronic mailboxes and service?

Yes. Mail boxes and other services are contained in the servers at the ISP offices. The mail program on your computer is used to access your file on that server.

Where can you find dns settings?

In you're using Windows, open a terminal window (Start > Run > "cmd")

Then type: "ipconfig /all"

The DNS servers will be among the information listed.

If you're asking about what a good DNS server to use, go with 8.8.8.8, that's Google's free public DNS server.

Electrons consumed in a battery?

No. Electrons are not consumed in a battery.

For every electron that goes in one end of a battery, the battery pushes another electron out the other end.

Who was the inventor of BACS electronic transfer of funds system between banks?

The inventor of the Bankers' Automated Clearing Services (BACS) was Dennis Gladwell. It was started in 1968 as a way to set up electronic bank transfers between banks, eliminating the need for paper documents.

How is the phonetic alphabet used to communicate clearly?

Phonetics are used to pass positional information and operational status. Names of things can also be spelt phonetically for clarity. With the exception of G=Golf all the other letters have 2 or 3 syllables. No two words sound the same so even if the message is distorted the meaning can be discerned. Using phonetics reduces the instances of character transposition; expecially important when transmitting georef etc.

Where can someone find information on rapid electronics?

Rapid Electronics is a small electronics repair shop in Pueblo, Colorado. They specialize in Pro Audio Service. They do have a website of the same name.

What was the purpose of the blender?

The purpose of the blender was to blend things and scrambelify things

Is fused quartz piezo electric?

yes. back in the 15th century when alchemy was popular scientists found out the mineral quartz is piezo electri and so is fused quartz

Where can someone find reviews of the top electronic kitchen scales?

There are many places where one can find reviews of top electronic kitchen scales and appliances. One can search on the websites Amazon where customers can leave reviews of the product.