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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
Investigate filter circuit using operational amplifier?
A filter can be designed using an op amp by by replacing the resistors in an inverting or non-inverting amplifier with inductors or capacitors. Search for "op amp" on wikipedia for some simple schematics as a starting place. If you understand the basics of filter output and bode plot calculations, you should be able to replace R1 or R2 with C1 (1/jC1w) or L1 (jwL), and analyze the output vs. input characteristic.
Note op amps have limitations on frequency response, so this approach is good for fairly low frequencies - if you get into the high MHz, or GHz, a passive filter circuit becomes necessary.
State the imitation of ohm's law?
imitation of ohms law is that it can be applied only to linear devices it cannot be allowed to non linear devices...
How do you Recalibrate a vibe eq-300 Digital Scale?
Hold mode button til it says cal. Press mode again, 100 will show on the scale. Put 100 grams (20 nickels) on and it should say pass.
What happens when a signal is sampled below its Nyquist frequency?
Introduces the aliasing effect which eventually would account for information loss...(aliased signals)
In Double Sideband AM (DSB-AM) modulation, two thirds of the power is consumed by the carrier, so 667W would be transmitted at the carrier frequency. The remaining 333W is split equally between the two sidebands, each being mirror images of each other.
a memristor is the fourth passive element in the electric circuit joining the resistor,inductor and capacitor , the word memristor is the concatenation of "memory" and "resistance"
Hysteresis
What is downward multiplexing?
Downward multiplexing refers to distributing a single signal across multiple channels.
Why is there a C in the equation for a discharging capacitor?
The C represents the capacitance (in farads) of the capacitor. It is a measure of how much charge a capacitor can hold. This is needed to know how much energy the capacitor is holding.
How can you store a different amount of charge in a capacitor?
Power = V*I
Power = (V) * (C*dV/dt)
To store more / less power / charge, charge the capacitor with a greater / smaller voltage (make sure the cap is rated for at least as much as the voltage you are charging from, though).
Is mega ohms more them k ohms?
Yes, one mega ohm is more than one kilo ohm. Mega means million, kilo means thousand.
Is load the same as resistance?
Depending on who is asking about, it could be. But strictly speaking, no. When referring to "load", this could be resistance and reactance (Load at a certain power factor).
What is the application of curve fitting in enggineering?
the technique of curve fitting is used in many engineering streames and one of its important applications is that it is also used in industries to study the performance of the company and also to predit the future performence of the company. it very much helps in finiding out operational profit margin (OPM).
720 p is the abbreviation for a category of HDTV video modes. There are 720 horizontal lines of display. p = progressive (non-interlaced) scan, a method used to reduce flicker.
It depends a lot on the application, i would go with low impedance transformers if am using the transformers for distribution as it will really increase the the maximum fault current. If am using the transformers as step up specially for generators or to charge capacitors, using a high impedance transformer is a good idea as it will decrease the inrush current of the system.
you have to see your application and decide what fit that best.
Mohammad Jaradat
Power Generation Project Manager
What are the disadvantages of common channel signaling?
•CCS links can be a single point of failure
•No inherent testing of speech path by call setup signaling
•CCS response time is critical
If this is a homework assignment, please consider trying to answer it yourself first, otherwise the value of the reinforcement of the lesson offered by the assignment will be lost on you.
Time constant is an exponential function, in some kind of form of e(-T/t) where T is time and t is time constant. If you evaluate this for T=3 and t=1, you get about 0.05. This means that the voltage across the capacitor will reach 95% of its final value after three time constants.
Whether this is 95% of 24V or 5% of 24V depends on how the circuit is designed, but the most probable answer with the limited information given is about 23V.
Voltage-current characteristics of ideal diode?
An ideal diode would match the purpose of a diode without any of the drawbacks. The purpose of a diode is to control current flow - The diode "turns on" for current flowing in one direction, and "turns off" if current wants to flow in the other direction. Ideally, there would be no voltage drop across this diode when allowing current flow, thus no power loss. When the diode is "turned off" by a negative voltage, idealy there would be no current flow (no matter how large the negative voltage).
What was silicon used for in the past?
Silicon was used in the semi- conductivity industry for the past 35 years. i hope this was a little helpful for you. bye and just text me if you need anything else :) 18155735639
Output from secondary is about 6.8V rms, on no load.
On the primary side, you have 140 / 120 = .86 volts per turn. Therefore, on the secondary side you will have 8*.86 = 6.8 volts.
What is the cause of Hum in AC Capacitors?
Hum is caused in (low frequency) AC capacitors by electrostatic forces between the capacitor's plates, causing them to vibrate.
