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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

What is the frequency spectrum of baseband signal and can BB signal be transmitted through all the channel?

1. From the lowest frequency to the highest frequency. For telephone grade audio, it's 300 Hz to 3300 (or 3400 ) Hz. For other signals, you need to know the lowest and highest frequencies.

2. Your question (can BB signal be transmitted...) cannot be answered. As it stands, the answer is no. Reword the question so that it can be answered.

How is memory in a PLC organized?

Memory in a Programmable Logic Controller (PLC) is typically organized into several distinct areas: program memory, data memory, and I/O memory. Program memory stores the ladder logic or other programming languages used to control the PLC, while data memory holds variables, timers, counters, and other data needed for processing. I/O memory manages the input and output operations, interfacing with sensors and actuators. This structured organization allows for efficient execution and management of control tasks in industrial automation.

What to do you do if you have CPU usage 80 percent to 100 percent all the time?

Try unloading some applications or if your computer is already really old maybe its time for an upgrade

The characteristics curve of the component?

This is probably the I-V characteristic: Apply a voltage to one terminal of the component, the current through the component is then recorded; this is done for varying values, and is plotted out on a graph. For transistors, this shows where the "linear operation" region is; for diodes, this shows the "turn on" voltage. Such characteristics will be in the data sheets for whatever component you're using.

How do multibeam echo sounders work?

multibeam systems emit a fan of sound beams. By this method, a wide area of the seabed can be scanned in high detail.

What is the three types of wave forms in trigger circuit of oscilloscope?

The three waveforms in the trigger circuit of an oscilloscope are the sine wave, square wave and saw tooth wave.

What do GM counters detect?

A Geiger-Müller (GM) counter is used to detect ionizing radiation, specifically from various nuclear decay processes like beta decay, gamma decay, and sometimes alpha decay.

What is the other term for electric eye that can cause electric currents to fluctuate?

Putang inah nyo nakain kayo ng bayag na malaki Wag na kayong mag-aral nakakabobo lng yan!!...

How do you fix a blinking amber light in a Dell desktop I have a dell optiplex 755 and a blinking amber light?

it is probably the charging indicator.

if it doesn't stop at some point like the next day u may need a new battery

What are the advantages of an electronic ignition circuit?

Electronic ignition typically doesn't use a rotating cam and ignition points. So there is less mechanical wear involved. The voltage produced at the spark plugs tends to be higher and a little "cleaner," electrically speaking. An ignition advance mechanism would not be heeded if the design of the ignition module or "computer" were sophisticated enough.

However, there is one major disadvantage. If there is an EMP (electromagnetic pulse) blast that takes out all sorts of electronic devices, such an ignition system would be destroyed. So after a major nuclear war, cars that use this likely won't run. However, if it has a standard points ignition, it can.

In three phase voltage calculation why we multiply line voltage by square root 3 not by 3?

It's just the way three-phase works. The three live lines have a voltage of 230 v to neutral, let's say, and then the voltage between lines is 230 x sqrt(3). It happens because of the way the three voltages are timed, or phased, to peak in turn regularly through the AC cycle.

What did secretaries use to message before computers were made?

They would have to type it up in a 'typing pool' (the room they worked in), and if they made any mistakes they would have to start again. < Hope that helped ;)

Can a loose battery cable cause a battery to go dead?

Yes. If it is loose on the side that comes from that alternator, then the alt. is not getting the opportunity to charge the battery. So basically you're running your car on pure battery and it will go dead accordingly

How to make an electronic device which will find any electronic device around it.?

Just use my subwoofer. It buzzes whenever anything electronic gets near it.

Alternatively, get an AM radio, and tune it to a space where no-one is broadcasting. Most devices emit a load of electronic noise. I have found that it can detect most electrical devices, though it often requires the device to be active - something like a light will not be detected (you might hear an AC hum but not much else), whereas something like a computer will because there is a constant amount of 'change' in the noise emitted. A device can locate another device or parts or items if the item to be located has a RF transmitter embedded into the construction. The finder device must be a narrow band receiver to detect that particular signature of the transmitting device.

How to remove nail glue from a blackberry screen?

The screen of Blackberries and similar are extremely delicate. Any undue stress can damage them beyond repair. I would find a cell phone repair store and ask their advice.