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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 signal word is used for moderate hazards?
The signal word used for moderate hazards is "Warning." This term indicates that there is a potential risk that could cause injury or harm, but it is not as severe as a "Danger" signal, which denotes a high level of risk. "Warning" serves to alert individuals to take caution and be aware of the potential hazards present.
What is the purpose of a flux?
The purpose of flux is to clean oxides from metal surfaces to ensure a clean bond in soldering or brassing them together. without a proper flux soldered and brazed joint integrity is unreliable.
What does refractory tolerance mean?
Tolerance means you have the ability to put up with something or some one. It often refers to treating people without bias based upon race, religion, nationality, gender, age, or sexual orientation. If you treat everyone equally, no matter what categories they may belong to, that is tolerance. If you discriminate against some type of person, that is intolerance.
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What voltage will produce 0.20 A of current through a 3090 resistor?
Ohm's Law: Voltage is current times resistance.
0.20 amperes times 3090 ohms is 618 volts.
WARNING: This is also 124 watts, so do not attempt to duplicate this in the lab unless you have the appropriate equipment. In particular, an "ordinary" half-watt resistor will self destruct, causing a fire, if you try this.
How to control the high voltage control in an industry?
Voltage stabilisers are the devices to control voltage. These are of 3 types i.e. VARIAC BASED,IGBT BASED and THERMISTOR TYPE.
These are classified according to voltage correction speed i.e. from 70 volt/second to 750 volt/seconds.
Power loss in open circuit test?
There is no power loss in open circuit test.
Actually there is iron loss also known as magnetic losses. These include hysteresis and eddy-current losses. This can be described as V1^2/Rc
Where V1 is the primary voltage and Rc is the resistance of the magnetic core.
Why the net resistance increases in series connection?
series network consists of components i.e resisters connected end to end. since their is only one path for the flow of current. but potential drop across each resister is different. so thats the reason that series network has maximum resistence then the highest resister in combination. the same amount of current passes through each resister.
What is a ball grid array used for?
A ball grid array (BGA) is a type of surface-mount packaging used for integrated circuits. BGA packages are used to permanently mount devices such as microprocessors.
Why emf does not depend on resistance?
Because emf is the very source of voltage, either chemical or inductive, an can be meassured at open circuit only so, internal resistance of the supplier is not affecting it.
Gaussian minimum shift keying - GMSK?
Gaussian Minimum Shift Keying (GMSK) is a frequency modulation scheme used in digital communication systems, notably in GSM (Global System for Mobile Communications). It combines the principles of minimum shift keying with a Gaussian filter to smooth the transitions between frequency shifts, which reduces bandwidth and spectral spreading. This results in a more efficient use of the available spectrum while minimizing adjacent channel interference. GMSK is known for its robustness and efficiency, making it suitable for mobile communications.
An absolute phrase is a phrase that when you add the words Was or Were you can get a complete thought out sentence.
Is the open circuit voltage of a solar cell measured under non-illuminating condition?
Well, you should really measure the open-circuit voltage and the short circuit current both under dark and light conditions and then compare them to fully characterize a solar cell.
Measuring the open-circuit voltage means measuring the voltage across the cell when no current is flowing (i.e., with a LARGE resistance as a load on the cell). Measuring the short-circuit current means measuring the current when the voltage across the circuit is essentially zero (i.e., with a VERY SMALL resistance as a load on the cell--thus, "short-circuit" current).
The anode (the cathode is usually marked with a stripe).
Why is resistance less when resistors are join in parallel?
What do you mean? In a parallel circuit, the combined (or effective) resistance is less than any individual resistance.
