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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 current flows after a momentary voltage?

While there is a voltage, a current will flow - assuming there is a conducting path. The amount of the current can be calculated by Ohm's Law. That is, you divide voltage by resistance.

What is the maximum voltage for NMSC?

The maximum voltage for a Non-Metallic Sheathed Cable (NMSC), commonly referred to as Romex, is typically rated for 600 volts. This rating is standard for most residential and light commercial wiring applications. It's essential to adhere to this voltage limit to ensure safety and compliance with electrical codes. Always consult local regulations and guidelines for specific applications.

What is inductance?

What sort of induction? There are many uses of this word in different maths, sciences and even medical terminology. Webster's Online Dictionary says that this means: 1 a : the act or process of inducting (as into office) b : an initial experience : INITIATION c : the formality by which a civilian is inducted into military service 2 a (1) : inference of a generalized conclusion from particular instances -- compare DEDUCTION 2a (2) : a conclusion arrived at by induction b : mathematical demonstration of the validity of a law concerning all the positive integers by proving that it holds for the integer 1 and that if it holds for an arbitrarily chosen positive integer k it must hold for the integer k+1 -- called also mathematical induction 3 : a preface, prologue, or introductory scene especially of an early English play 4 a : the act of bringing forward or adducing (as facts or particulars) b : the act of causing or bringing on or about c : the process by which an electrical conductor becomes electrified when near a charged body, by which a magnetizable body becomes magnetized when in a magnetic field or in the magnetic flux set up by a magnetomotive force, or by which an electromotive force is produced in a circuit by varying the magnetic field linked with the circuit d : the inspiration of the fuel-air charge from the carburetor into the combustion chamber of an internal combustion engine e : the sum of the processes by which the fate of embryonic cells is determined and morphogenetic differentiation brought about Induction has more than one meaning. LOGICAL induction is the process of reasoning from all the parts separately to the whole which they constitute, or into which they may be united collectively; it's a fair description of the scientific method. RITUAL induction is the act of initiating someone into a club or society. MEDICAL/BIOLOGICAL induction is the process of forcing an event or process to begin, such as "inducing labor." ELECTRICAL induction is the creation of an electrical current in a circuit by varying magnetic force. Induction heating is a process that relies on electrical induction to quickly generate consistent, even heat.

Hard reset coby mpc 7095?

to hard reset a coby 7095, you have to press the little reset button on the back lower right with a little pin because the hole is tiny. mine recently froze up on me and that is the only way to reset it.

Is it possible that damaged diode rectifier has normal voltage output but low current meaning low mA?

By themselves, unlikely. Diodes usually fail catastrophically, shorting or opening. More probable is that one diode in the bridge set is open, while the others are functioning, causing the bridge configuration to perform poorly. This could lead, for instance, in normal operating voltage under low load, but poor (excessive) ripple under high load and inability to sustain rated current.

This is a common failure mode in automobile alternators. One diodes pops, causing output voltage to appear normal, but there is insufficient charge current to maintain the battery. If you had an ammeter, you would see barely enough current to hold operating voltage, and you would not see the normal higher then decreasing current following engine start.

What is silicon and what is it used for?

Silicon is an element, On the periodic table it is located in group 14, period 3 and has the symbol, Si.

Silicon has many uses, some of which are:

1. Silicon is used as a semiconductor. Silicon parts are used in computers, transistors, solar cells, LCD screens and other semiconductor devices.

2. Silicon is used to manufacture aluminum-silicon alloys to produce cast parts.

3. Silicon carbide is a very important abrasive.

4. Silicates can be used to make both pottery and enamel.

5. Sand, which contains silicon, is a very important component of glass.

6. Medically, silicon (and its compounds) can be used for the treatment of weak bones (osteoporosis), heart disease and stroke (cardiovascular disease), Alzheimer's disease, hair loss, and improving hair and nail quality. It is also used for improving skin healing; and for treating sprains and strains, as well as digestive system disorders.

7. Silicon plays an important role in the photovoltaic industries in the manufacture of solar cells.

What is a more discriptive way to say small waves besides ripple?

small waves that... vibrate like the unique rippling fold of a shaken silk sheet...

How much is 2 vrms when converted to rms?

the answer is so easy if it is converted into v peak to peak. there is confusion in your given question becusase same thing is given to convert, how it is possible.

What happen when plus ve gate pulse given to reverse baise scr?

You cannot turn an SCR off by reverse biasing the gate. Once it is on (anode to cathode), it stays on until the forward current AND the gate current drops to the required threshold level.

That said, you can pulse the anode negatively to turn an SCR off, so long as you don't exceed the reverse bias limits of the device. This is how (photographic) flash devices, for one example, can modulate the duration of the flash.

Where can one measure how much bandwidth they are using?

A simple search of the net will find there are many bandwidth monitoring sites that are available for free. A popular one is callled Free Meter Bandwidth Meter.

You also can use WFilter freeware for network bandwidth monitoring.

What is the relationship between power and current flowing?

Strictly speaking, it's energy flow that has direction -the term 'power' merely describes the rate at which that energy is flowing. Having said that, however, the term 'power flow' is indeed used, but it must be understood that the term is really describing the 'rate at which energy is flowing'.

There is no direct relationship between the direction of current and the direction of 'power'. For example, an alternating current is continually changing direction, while the resulting power flow acts continuously in the same direction.

The reason for this is that current flow direction cannot be taken in isolation, as it must be considered together with the direction of the potential difference that is causing that current to flow. If we allocate positive and negative symbols to specify the direction of potential difference and current, where (for example) 'positive' defines a clockwise direction around the circuit, then the product of the two positive signs result in a positive direction for power flow direction. If we now reverse the direction of the potential difference and the current, their signs both become negative, and the product of two negatives is a positive -indicating that the power does not reverse direction, but continues in the same direction.

What component in a circuit does this symbol represent?

To accurately identify the component represented by a specific symbol in a circuit, I would need to see the symbol in question. Circuit symbols can represent various components such as resistors, capacitors, inductors, diodes, and more, each having a unique graphical representation. If you describe the symbol or provide its visual representation, I can help determine which component it corresponds to.

What are the reasons for burning in the soles?

it is because of friction. friction is a force that opposes the relative motion of two surfaces in contact.

How do you fix audio output for AV-48WP30 audio issue?

Without more information, there's really nobody that can even begin to answer your question. What are the symptoms? What's the brand name? What it doing, or not doing?

I know it's not much to go on, but you really haven't given us much to go on either. Try re-asking your question and giving us more information with which to work. I'd love to be able to help you out.

Why do you use high frequency waves in sky wave propagation?

Why they use high frequency?

higher frequencies mean more space to store information in the wave itself.

But, not too high that its amplitude is tiny enough to trespass the ionosphere solar particles, leaking out into the space.

In fact, lower frequencies can travel longer distances. But there is also a solution for long distance high frequency waves, called Skywave (keep this word in mind if you are interested to be a radio amateur).

Skywave is cheaper and more effective, normally travelling a distance of 1000km at least (it's far). For example, TV broadcasting use skywave technology.

But, for lighter application usage that transmit very little information, such as atomic clock synchronisation. The application produce a tick in each seconds, therefore bursting a small piece of radiowave into the atmosphere in every second. This 1 hertz, very low frequency can achieve a coverage of the entire north America continent.

Why don't you produce a free mobile internet technology by blending low and high frequencies to turn out a sustainable (low enough to cover much area; high enough to store adequate information in the wave itself, maybe this will provide "Everywhere Internet", even for the third world countries) information transfer welfare for humankind? If you be the founder of it, be prepared to proceed to the heaven. Do you get it?