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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 type of coach bag is no j9 p-9060?
The Coach bag model No. J9 P-9060 is typically identified as a style from the brand's range of handbags. It features a distinctive design, often characterized by Coach's signature materials and craftsmanship. To get specific details about its design, size, or features, it’s best to consult official Coach resources or product listings, as styles can vary widely.
What is the cmp or sgc signal?
The CMP (Cardiac Muscle Precursor) signal is involved in the development and differentiation of cardiac muscle cells during embryogenesis. In contrast, SGC (Soluble Guanylate Cyclase) is an enzyme that plays a crucial role in the nitric oxide signaling pathway, converting GTP to cGMP, which is important for various physiological processes, including vasodilation and smooth muscle relaxation. Both signals are essential in their respective contexts, contributing to heart development and cardiovascular function.
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What kind of power is required to supply both resistive and reactive components of a load or loads?
You may be fishing for the answer "AC" or "alternating current", since
no reactive component of power is developed in response to DC.
AnswerSince true power (in watts) is associated with resistive components, and reactive power (in reactive volt amperes) is associated with reactive loads, the vector-sum of these is called apparent power (in volt amperes). So the answer you are looking for is apparent power.
How do you design Power supply for 0-30V and 2A?
Electricity,a power supply has a positive and negative charge,this charge is used by metal,and the metal,or any electric conducter charges from the,negative charge,and the conponent goes out the,positive charge
Why a diode can be used as a frequency multiplier?
A single diode alone can not multiply frequency - it can only divide frequency.
Two diodes in full wave split mode, or 4 diodes in full wave bridge mode, will seem to multiply frequency, due to the fact that alternating polarities of the AC wave will be flipped and superimposed on the resulting DC. It should be noted, however, that this is not true multiplication, because the result is not sinusoidal.
It is possible to filter the output and make it look sinusoidal, but that filter design will be very complex.
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Yes, a diode can be used as a frequency multiplier.
A diode is a non-linear device, and any signal passed through a non-linear device or circuit will result in harmonics being generated. If the signal passing through the diode is not a sine wave then harmonics of all the other frequencies present at the input will also have harmonics generated. There will also be the sums and differences between all the reultant frequencies.
That is why a diode is used as a "detector" in an a.m. receiver. Another name for a detector is a mixer, the other name for which is a multiplier.
Why inductor use in series capacitor in parallel?
That depends on the type of circuit you are talking about. Sometimes both an inductor and capacitor are both in parallel with each other. This is called a tank circuit. Sometimes they are both used in series. These are both examples of resonant circuits.
Sometimes the inductor can be in parallel with an applied voltage and the capacitor in series. This is a form of high pass filter. On the other hand, the inductor can be in series and the capacitor in parallel to for a low pass filter.
Coulomb is the basic unit of charge in the MKS system. It is the charge which flows per second in a DC current of 1 ampere, about 6*10^18 electrons.
Batteries and capacitors both store charge. They also both store energy. Charge and energy are not equivalent, but are related somewhat like momentum and kinetic energy.
Why we use the carrier frequency?
The carrier frequency, as the name implies, "carries" the actual signal to be transmitted. Exactly how this is done depends on the technology being used.
At the other end, the receiver subtracts out (don't take that too literally; again, it depends on the technology used) the carrier frequency, and what's left is the desired signal.
How much voltage is required to run 0.42 A of current through a 15 ohm resistor?
Use Ohm's law:
U= R x I = 3 Ohm x 6 amps = 18 Volts
Thus you need 18 Volts to supply such a load.
What came first digital or analog service?
Analog services came first, as they were the primary means of communication and broadcasting before the advent of digital technology. Analog systems, such as traditional radio and television, transmitted signals in continuous waves. Digital services emerged later, utilizing discrete signals to improve the quality and efficiency of data transmission, leading to advancements in communication technologies.
What is electrical power measured in?
watts, kilowatts, megawatts, gigawatts...
milliwatts, microwatts, nanowatts, picowatts...
basically all watts.
How noise occur in positive terminal?
noise do not occurs in positive terminals noise like all signals must have a return to be seen as evidence
What is an Ultra sonic sensors?
A Ultra sonic sensor is like a very small speaker (usally of the piezoelectric type) which is able to sense Ultra sonic frequencys, these frequencys are above the normal hearing range of human hearing, in the range of bats and cats and dogs tho,
in some car alarms a sonic transmitter and sensor is used to detect a intruder or if the windows have been smashed, this uses two sonic devices (speakers) one as a transmitter and one as the receiver, the transmitter gives out sonic pulses which are received by the sensor, the electronics process the signal being received by the sensor which will be slightly diffrent than the transmitted signal due to materials in the car absosorbing and reflecting the sonic pulses, however if a window is broken or sombody enters the car the sonic pulses being received by the sensor will change again due to the new object in the car changing the absorbton or reflecton of the pulses this then leads to the alarm been activated
ultra sonic sensors and receives are used for may other things to like mapping the seabed or lakeb
A Ultra sonic sensor is like a very small speaker (usally of the piezoelectric type) which is able to sense Ultra sonic frequencys, these frequencys are above the normal hearing range of human hearing, in the range of bats and cats and dogs tho,
in some car alarms a sonic transmitter and sensor is used to detect a intruder or if the windows have been smashed, this uses two sonic devices (speakers) one as a transmitter and one as the receiver, the transmitter gives out sonic pulses which are received by the sensor, the electronics process the signal being received by the sensor which will be slightly diffrent than the transmitted signal due to materials in the car absosorbing and reflecting the sonic pulses, however if a window is broken or sombody enters the car the sonic pulses being received by the sensor will change again due to the new object in the car changing the absorbton or reflecton of the pulses this then leads to the alarm been activated
ultra sonic sensors and receives are used for may other things to like mapping the seabed or lakebeds, thay can tell you how deep a lake is by calculating the time it takes for the sent signal to be received by the sensor, also diffrent materials absorb the signal in diffrent ways so a good idear can be made of what the material is made of, also due to the high frequency of sonic waves it can be used to clean things by vibrating the dirt of them, eg sonic toothbrushs, cleaning dentist equipment etc
anyway i hope this answered your question!
How do you calculate power factor if line voltage and line current are measured from motor terminal?
Power factor is the ratio of true versus apparent power. For example, a power factor of 1 means that one watt of measured power is one watt of real power, while a power factor of 0.5 means that one watt of measured power is two watts of real power.
To measure power factor, measure voltage, current, and the phase angle of current related to voltage. Phase angle is between 0 and 360 degrees, 360 degrees being one line cycle.
A power factor of 1 means that the phase angle is 0 degrees.
A power factor of 0.707, assuming that voltage and current are measured on the same scale, means that the phase angle is 45 degrees. It would be +45 degrees for a capacitive load and -45 degrees for an inductive load. You can use trigonometry, sines and cosines, to figure this out, or you can use the pythagorean theorem to figure this out - its just a right triangle where the angle is the phase angle.
By the way, a power factor of -1 means the load is actually a generator, and a power factor of 0 means the load is a pure capacitive or inductive load with a phase angle of +90 or -90 degrees.
Power factor is a concern because watt-meters measure apparent power. If the power factor is too low, it will seem that the energy used to lower than reality. The problem is, even in the worst case of + or - 90 degrees, energy is still required to move the current back and forth in the circuit, and that energy must come from the power supply. That's why we talk volts-amps (VA), volts-amps-reactive (VAR), and watts (W) in AC circuits, and none of them are the same thing.
What is the difference between omnidirectional antenna and smart antenna?
An Omnidirectional antenna generates a beam in all directions and is defined as one "having an essentially non-directional pattern in a given plane and a directional pattern in any orthogonal plane".
A Smart antenna however, often referred to as an adaptive antenna, utilises adaptive DSP based techniques and digital technology. The original analogue signals must be converted to digital form through the use of digital converters.
Consequently, the nulling of a given interference and the steering of the main beam to a known direction can be achieved by changing the phases and amplitudes of the signals in individual elements of the array.
What is the difference between radar identification and radar contact?
Radar identified refers to your aircraft's position presented on a ground based radar screen and by using a squawk code in the aircraft which corresponds to the ground based station your aircraft is then identified.
Radar control refers to an aircraft already identified on the radar screen and flying in controlled airspace under an IFR flight plan and the ground based station would provide heading, speed and altitude you should fly at.
How do you use OP-AMP as common compensator?
i know that an op amp can be used as an amplifier and a switch, but i want to have more uses of the component or device.
