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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

A trouble light has a resistance of 12 ohms and is rated 1 2 ampere what voltage must be applied to obtain the rates current?

I'm not entirely sure what your question is.

  • if the current is 12 ampere's, the voltage is 144 volts
  • if the current is 1.2 amperes, the voltage is 14.4 volts

Simple multiplication....................

What word that signals an opinion?

Better, best, worse, and worst are some value words that signal an opinion.

What are the advantages of IBMz Series?

The IBM z Series is a powerful line of mainframe computers from IBM. It is capable of handling large amounts of data making it an ideal choice for businesses that need to store and access large databases. Here are some of the advantages of using the IBM z Series:

  • It is reliable and secure. The z Series is designed for high availability and security with features such as hardware-assisted cryptography and hardware-enforced transaction integrity.
  • It is scalable. The z Series is designed to easily scale up to meet the demands of growing businesses.
  • It is cost-effective. The z Series can help businesses reduce costs by consolidating multiple applications onto a single server.
  • It is flexible. The z Series can be configured to run a variety of operating systems including Linux and z/OS.

The IBM z Series is a powerful and versatile mainframe computer that can offer businesses a reliable secure and cost-effective solution for their data storage and processing needs.

What is the best electricial conductor?

the_best_is_silver">the best is silver

-----

Silver is better than copper which is better than gold which is better than aluminum.

The absolute best would be a super-conductor at a temperature of absolute zero.

What is a control switch?

a control switch is a sort of remote controlled relay attached to home appliances which consumes more power.

How do you program a frequency directly into the memory of a Yaesu FT-60 and still hear the audio when you have tried but there is no audio?

You may have the right frequency, but there a couple or three encoding schemes for encoding the squelch control on the radio's receive section. You won't be able to hear any audio until you match the encoding used in the transmitting radio. It's another way of adding some channel privacy to those who have general purpose receivers, and it also helps to keep the airwaves from being cluttered by a lot of radio transmissions, allowing the transmitter/receiver to become selective in what they'll receive.

You'll find info in the Yaesu owner's manual on how to set those frequencies and even have the radio do an automatic search to find them. If you don't have a manual, you should be able top go to the Yaesu website and download a copy.

What is the value in ohms of a resistor colored brown red yellow gold?

The first band, brown, indicates the digit 1.
The second band, red, indicates the digit 2.
The third band indicates the multiplier. For yellow, this is 10000.
12x10000 = 120,000 ohms.
The last band is an indication of the tolerance of the resistor; gold means the actual value is within 5% of the stated value.

What is a Parallel Resistance?

Parallel resistance refers to 2 or more resistors where the input sides are connected together and the output sides are connected together. The formula to calculate it is

the inverse of the total resistance of the circuit is equal to the sum of the inverses of the individual resistances.

1/R (total) = 1/R (1) + 1/R (2) + 1/R (3) + …

What is the direction of the magnetic field if the current is directed upward or downward?

The direction of the magnetic field is counterclockwise or clockwise.

For a current flowing in a wire you can use the "left hand rule" If you take your left hand and have the thumb point in direction of electron flow in the wire, the fingers wrapped around the wire will show the direction of the magnetic field by the direction the fingers are pointed..

What is the need of digital modulation scheme?

The aim of digital modulation is to transfer a digital bit stream over an analog bandpass channel, for example over the public switched telephone network (where a filter limits the frequency range to between 300 and 3400 Hz) or a limited radio frequency band.

What is the full form of GO?

1) Game Over

2) Ground Out (baseball)

3) Government-Owned

4) General Order(s)

5) Government Organization

6) Gigaoctet

7) Gene Ontology

8) Government of Ontario

9) Government Operations

10) General Obligation

What happens to the current when the voltage becomes limited at the knee?

A: Perfect example is a zener. As input voltage increases the current at the knee increases almost linearly at the zener voltage. If the inputs varies up or down then the current will vary up or down at the preset voltage making a zener a voltage regulator because of this feature

What is carry propagation time in adder circuit?

The worst case time between:

  1. application of valid new stable values on the adder's inputs
  2. the development of the valid new stable carry on the adder's carry output

How the superposition theorem is used to find the currents in a circuit supply by more than one voltage source?

1.Put a short circuit instead of voltage source 1 and find what you want with taking direction of current in that element(ris.ind.cap.)

2.puta short circuit instead of voltage source 2 and find what you want with taking direction of current in that element(ris.ind.cap.)

3.add current 1 and 2 for any element.

Who invented center tapped transformer?

if you are referring to a split-phase transformer, the answer is a Westinghouse engineer, C. F. Scott, in the late 1890's to bypass Edison's more expensive rotary-converter and thereby permit two-phase generator plants to drive Tesla's three-phase motors.

Is OP-amp a discrete component?

An opamp is a circuit of many components. It may either be built of many discrete components or be a single integrated component.

5a01 eurovox latest code?

aa,b7,d1,d9,ce,8e,83,af. a1,38,06,29,24,29,8d,2b,...from davy

How milliammeter can be used as a voltmeter?

A milliammeter is a sensitive instrument placed in series in a circuit and is calibrated to measures current going through it, and therefore the whole circuit, without presenting enough resistance to affect the current going through it or reducing the voltage available to the rest of the circuit.

A voltmeter is a milliammeter used in parallel to the circuit. Since the milliammete has very little resistance, if it is used this way it will present as a short to the rest if the circuit, not give a valid reading, and probably burn out. To use a milliammeter as a voltmeter, a significantly large resistance needs to be placed in series with the milliammeter. If the resistance is large enough, but not too large, it will prevent the meter from being a short, not affect the circuit load but still allow enough current to go through the meter to get a reading. If you want to measure AC (alternating current) you will also have to include a rectifier circuit. To be useful as a voltmeter, the meter will need to be calibrated, a tedious job since the meter responses probably are not linear.

Modern multimeters are available that will act as a voltmeter with several range setting. You can get them at any electronic or tool store such as Sears, Harbor Freight, or Radio Shack. Even the cheap 10 dollar ones will do a good job for most purposes although professional models that do so much more and with greater precision can be really expensive.