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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

Why must sound card and video on a PC be converted from analog to digital?

Primarily because digital systems are more accurate. Additionally, digital technology is replacing older systems with modern devices because digital devices are often much smaller, and require less maintenance.

How does a power inverter work?

Power inverters work as an electrical converter which allows a direct current to change into alternating current. This is the commonly known as a DC-AC power conversion. In short, inverters work the opposite as rectifiers that converts AC or alternating current into DC or direct current.

What is the effect on the current in a wire if both the voltage across it and it's resistance are doubled?

By Ohm's Law, current is voltage divided by resistance, so if you double both the voltage and the resistance, the current would remain the same.

What are specifications of resistor?

The resistance, the precision of that value, the thermal or electrical environment, the style of indicating these values. There are wire-wound resistors, cracked carbon resistors, carbon resistors and so on.

What specifically does resistance reduce the flow of?

Resistance is the opposition of the atoms in any materiel to the movement of the electrons of a certain current ... so the resistance is a long wire, and thus more atoms to pass through that's how it reduces the electron flow

What should the multimeter be set on to measure charge?

Current is measured in amps so the setting on a multimeter would be A

Measuring current with a multimeter is only to be done by someone with training because it can be very dangerous

It is much better to measure current with a clamp meter

What is the similar transistor for c 5763?

what is the similar transistor to

ut5352?(t803800w)

How does load current vary with the load resistance?

Their relationship is only dependent on the voltage lost across that resistor; voltage equals resistance times current, so increasing the current for a given voltage will require a decrease in the resistance, and vice versa.

What represents voltage?

i think it is symbolised with a capital 'e' or 'v' :P hope this helped! :L:L

Who would calibrate a multimeter?

An electrician, it is an electronic measuring instrument

Where can one purchase laser diode modules?

One can purchase laser diode modules on select places around the Hong Kong. OPELUS is the best place to purchase laser diode Modules, Infrared Laser Module, Green Laser Module etc.

What is infinite resistance in a circuit?

It isn't. If you're using superposition, you open circuit current sources and short voltage sources; this is because the current source declares the current that will be flowing through that branch.

Both current and voltage sources have a finite internal resistance.

As the DC voltage applied to a circuit decreases what will the current do?

In a passive circuit, the current will decrease.

In an active industrial circuit, it will usually decrease.

In a theoretic manner - it is an unknown.

What are the disadvantages of having an analog watch?

The advantages of an analog watch over a digital watch are that analog watches can be more durable in some facets, than a digital one. Many watch enthusiasts also feel that analog watches are more aesthetically pleasing than digital watches.

Who invented sky plus?

Sky plus or sky+ is a personal video recorder service for the British Sky Broadcasting in the United Kingdom. Its functions include recording, pausing and even instantly rewinding live TV.

What devices uses anolog signals?

Generally process control devices use analog signal. Normally in an industrial automation setup, 0-20 mA (mili amp) or 4-20 mA or 0- 10 Volts are used. These signals are used for both providing control output and to provide feed back signal (say to a PLC (programmable logic controller) or DCS)

Example for a control out put is a motorized damper operated by 4 - 20 mA signal. PLC provides 4-20 ma signal. Example of a feed back signal is 4 - 20 mA signal from temperature transmitter, measuring a liquid temperature to PLC as input.