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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 does segment pricing work?

Segment pricing is another tactic a company can use to modify product price in order to increase sales. Everyday examples of segment-pricing discounts are those extended to children, senior citizen, and students.

Why does it take 5 machine cycles in the SHLD instruction of 8085 microprocessor?

  1. fetch SHLD opcode byte
  2. fetch direct address least significant byte
  3. fetch direct address most significant byte
  4. write L register contents byte to memory
  5. write H register contents byte to memory

What is gsm stand for today?

It stands for Global System (for) Mobile (communication).

What does 320kbps variable bit rate mean?

The bit rate is the amount of data the file uses per second in kilobits. Higher bit rate does not always mean better quality just more data. A 320kbps constant bit rate song means every second of the song consists of 320kilobits A 320kbps variable bit rate song means on an average the song contains 320kilobits for every second of the song. The more complex portions of the song are encoded using more bits per second, the less complex portions with fewer bits per second. For example, a 10 second duration which contains very smooth variations in the amplitude can be encoded using lesser bits; whereas another 10 second duration with extra-fast variations in the music would be encoded using more bits so as to retain more information - thereby giving better fidelity. This is the advantage of a variable bit rate song. On the other hand, variable bit rate songs are more complicated to encode and decode; so getting your media player to play variable bit rate songs usually forces the decoder and associated software/hardware modules to work at their peak.

How do you get rid of ground loop from a turntable?

If you mean you want to get rid of some background "hum" that is being picked-up by the signal leads from the pickup cartridge - probably from the turntable's motor - you should check the pickup's signal wiring is shielded and grounded.

Usually turntables already have shielded wiring for the pickup leads so it is worth checking that none of the shielded wires have become disconnected from the Ground terminal on the turntable's baseboard or from the pickup head itself.

Next check that your turntable's Ground terminal is actually connected to the Ground terminal at the back of your preamp or amp. Sometimes there is a separate Grounding wire or sometimes it is just the shield of the pickup signal wiring that does this job.

Be sure to unplug everything - amp, preamp and turntable - from the household AC supply socket outlet before you do any checks.

It is best to use the resistance measurement setting of a normal electrical test meter to do those ground wiring checks. The resistance measurements from turntable Ground terminal to pickup housing and from that same terminal to the amp's Ground terminal should show a very low resistance, almost zero Ohms.

Why latching current is more than holding current in thyristor?

Holding current is a kind of Imin i.e., a minimum rating current which should not be decreased less than this limit so that SCR will be off(Maximum limit).Whereas latching current is again a limit which is Imini.e., a minimum current that should be there to make it on(Minimum limit).So obviously Holding current is more than latching current.If u still have the confusion go through the link below

ALi RAZA

Why do diede has two resistance values in ieone in forward bias other in reverse bias?

If you are talking about reverse biasing a diode, then you are talking about a zener diode. A zener diode, like a normal diode, has a forward bias around 0.7 volts (depending on current and temperature). Using Ohm's law, you can calculate the effective resistance of the diode in forward bias. (Example: 0.7 volts, 100 milliamps, 7 ohms) In reverse bias, however, a zener diode conducts at a different voltage. This is what zener diodes do. Using Ohm's law, you will get a different effective resistance of the diode in reverse bias, because it is dropping a different voltage. (Example: 5.6 volts, 100 milliamps, 56 ohms) It should be noted that attempting to measure the resistance of a diode does not make sense, because it is a non linear device. You should instead consider the current to voltage curve to understand the diode, be it regular or be it zener.

Where is the best place to put an ammeter in the circuit to measure the current going through the light bulb?

Since (by Kirchoff's current law) the current in a series circuit is the same at every point in the series circuit, it does not matter where you place the ammeter.

What happens if amplifier is connected t a DC voltage?

It will depend on the which kind of amplifier it is ,if it is made from Op amp(Non inverting Amplifier) it will simply amplify(multiply)the signal with a factor depend on the configuration of circuit which is also known as gain of the circuit.For instance if gain is 2(dimension less) and input DC voltage is 2 Volt output would be 4 Volts.

and if it an Audio or RC coupled amplifier output would be zero

Hence i Wrote in the starting "It will depend on the which kind of amplifier it is"

When would you measure for resistance in a live circuit?

Measuring resistance in a live circuit is generally not recommended, as it can pose safety risks and potentially damage the measuring instrument. However, if necessary, it should only be done with specialized equipment designed for live measurements, ensuring that the voltage and current levels are safe. Typically, resistance is best measured when the circuit is de-energized to avoid inaccurate readings and hazards. Always follow safety protocols and guidelines when working with electrical systems.

Diffrance between rfid tags and rfid chips?

The tag is the complete RFID, substrate (what everything is attached to), antenna, capacitor(sometimes in the chip) and integrated circuit chip.

The chip is the IC alone without the rest. There are some chips with integral antennas that serve as a complete RFID, but they have very limited applications due to extremely short ranges (millimeters).

How do you convert the analog fuel level indicator into digital in cars?

A: By adding an ADC analog digital converter but then again false triggering and monotonic and other errors makes this approach not desirable. unless heavily filtered the numbers will just rolls by filtering you get back again to analog response.

Why tuned amplifier is not used in low frequency?

) Tuned amplifiers cannot be used at low frequencies because of the requirement of very large value of L in the tuned circuit [1]. This requirement of high value of L at low frequency is impossible because the size and weight of inductors become exceedingly large and Q becomes very low.

How should you set the ohms adjust control on a multi tester of analog vom for resistance measurements?

Set it to infinite which may be a sideways 8. When you touch the leads the needle should swing to zero. If it comes to rest on a different number such as 10 then change the batteries. If it continues to give the same reading then you may need to replace it.

Is there a list of embedded companies in chennai?

List of Embedded System companies in Chennai

1. ACME Technology Pvt Ltd

2. Agnie Consulting(I) Pvt.Ltd

3. Alcatel-Lucent Chennai

4. American Mega Trends Pvt.Ltd

5. Ansaldo STS India Pvt. Ltd, Chennai

6. Apna Technologies

7. Appasamy Associate

8. Aricent Technologies

9. Arista Automation Pvt Ltd

10. Ashva Technologies Pvt Ltd

11. Atheros Communications

12. Atmel