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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
Which IC gates will have a low output if either of the inputs are high?
A 2-input NOR (Negative OR) Gate produces a low output when either input (or both) are high.
What is the difference between field current and voltage?
Field Current in a DC Motor is the flow of electrons through the field circuit by a field controller. The flux of the motor, that with the armature current generates torque, is directly proportional to the field current.
Field Voltage is the electrical potential energy applied on the field circuit by a field controller.
Legacy Field Controllers controlled the field voltage. Using I=V/Z (Z=R+iX) the field current is then indirectly controlled. Due to the heat generated by E=i2 R t in the motor, the resistance R would decrease, increasing the field current and therefore changing the base speed of the motor and disturbing the control.
Newer field controllers control the field current eliminating this problem
What happens to the amount of current in a series circuit as the number of batteries increase?
it increases
Why is the UJT 2N2646 so called?
Here 2 refers to 2 junctions, N - npn type, 2646 - device id number.
Though it have one junction, it has been named to have 2 junctions, as it can act as good transistor
When there is a very current flow with virtual no voltage caused a hard wire short
Where does the word current come from?
Originally from Latin currere, which means "to run". The -ent ending comes from French. Electrical current and water current have the same meaning.
Why Microwave SDH Radio can not go beyond STM-1 bandwidth?
Ofcourse BW will play its own role. But, present situation limitation of ADC speed, signal processing chip speed limitation and high data rate modem implementation complexity will play the major role.
In future, if any one invent modulation with magnetic force, it may be possible.
How the OFDM signals are generated?
alam niyo kung sino man ang sumasagot katanungan na narito please stop kasi kami humihingi kami ng sagot yung tmang sagot sayang ang pera na aming ibinabayad so please stop.
Why the antenna of radio are vertical?
Not all radio antennas are vertical.
The main reason radio antennas tend to be vertical is convenience of mounting. Many early radio antennas were long horizontal wires strung between two poles or trees. This was also a matter of convenience in mounting such a long antenna (e.g. 50 feet to 100 feet in length).
When you are operating radios in the VHF or UHF band a vertical or horizontal mounting of the short antennas used at these frequencies might be selected to improve reception of a polarized radio signal sent by the transmitter.
Is amplitude measured from medium to crest?
the question is asking if the amplitude can be measured by medium or crest and the answer is CREST
When is the probe ground clip required to be connected when taking oscilloscope measurements?
Hi,
It's generally required at all times, but there is a problem though with most o'scopes, and that is that the o'scope's ground connection is also connected to AC ground through the AC power plug.
The best way to circumvent the possible shorting of the circuit you're testing, you should use an AC isolation transformer on the o'scope. This removes the AC ground from the scope but allows you to retain the signal and AC ground on the device being tested.
Hope this helps,
Cubby
Radar can operate at frequencies as high as what?
typical usage VHF, 50 - 330 Mhz. Very long range UHF 300 - 1000 Mhz. Maximum 12500 Mhz
What is the function of burden resistors?
To load a circuit to a specific resistance value. This is useful in impedance matching networks, power transmission, telecommunications, etc.
How much resistor should use for 20000mcd led?
Has nothing to do with the intensity of the LED, and all to do with the voltage/amperage of thediode, and the voltage of the system it is supposed to be used with.
What is the function of a slicer circuit?
A slicer circuit is used to convert an analog signal into a digital signal by determining whether the input signal is above or below a certain threshold level. It effectively "slices" the waveform, producing a clean digital output that represents logical high or low states, which is essential for reliable data transmission and processing in digital systems. Slicer circuits are commonly employed in communication systems to improve signal integrity and reduce noise interference.
