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At this in between step(perfectly said), you don't consider about the terminals A & B. Taking the 100Ω, the one across AB, in series with the other one is the consequence of this. The calculated resistance of 100Ω[=((200Ω)||(200Ω))], that comes in series with 200Ω, is actually the equivalent...
Current is due to the fact that electrons move. Without travel of net charge(i.e. due to charged particles which in conductor are only electrons) all the way though the conductor, no current would be obtained. This is evident from the basic definition of current(=rate of charge transfer wrt...
Two resistors in parallel have same voltage across them whether they have same resistance or not. This can be understood using water analogy as follows:
Consider a pipe with dimensions: length(l), cross-sectional area(area seen when we cut the pipe perpendicular to direction of water flow, just...
Best way to understand the need for saturation region can be understood using voltage-transfer characteristics (VTC).
Fig. 1 consists of basic structure of CS amplifier while Fig2 shows its VTC.
We want LINEAR amplification of a signal i.e. the amplified signal should be linearly related to...
Yeah mobility of electron is larger than that of hole.
The given values are of conductivity effective masses to which the mobility is inversely proportional.
Since, for electron m* value is lower than that for hole, its simply comes out that µ is larger for electrons than holes.
See carefully...
I think u did it like Vo*R2/(R1+R2). It's wrong because R2 has in parallel (R3+R4). So, it should be Req=R2||(R3+R4); Vo*Req/(R1+Req).
Then the voltage that it comes out to be say, V1, should be used like: Vth=V1*R4/(R4+R3).
Or, simply use nodal analysis. Assign voltage V1 to 1st node from left...
U will get an equivalent ac source which can be calculated as follows:
Assume 2 sources with same fundamental frequency: V1cos(wt+θ1) and V2cos(wt+θ2).
In phasor notation: V1Lθ1 and V2Lθ2. [L stands for angle]
Using phasor addition: V1Lθ1 + V2Lθ2 =V3Lθ3 ...........(say)
Let...
"The contrast (of SoC) with a microcontroller is one of degree. Microcontrollers typically have under 100 kB of RAM (often just a few kilobytes) and often really are single-chip-systems, whereas the term SoC is typically used with more powerful processors, capable of running software such as the...
I know how to calculate fourier transform(F.T.) of complex exponential function \[{e}^{jat}\] using inverse F.T. formula.
Also, I know how to anticipate this on qualitative grounds: This function contains a single component of frequency 'a'. So, we need a single everlasting exponential with ω=a...
Duty cycle(%) =\[\frac{Ton}{T}\] * 100
where Ton = On duration
T=Total period
i.e. in short, duty cycle is the ratio of duration for which the pulse is on(i.e. positive) to total time period which comprises of on duration + off duration.
So, for e.g. when u say 75% duty cycle, 75% of the total...
Hey, it's simple...look...suppose the key placement is like this:
0 1 2 3
4 5 6 7
8 9 - -
E D U Do
E:Enter, D:delete, U:up, Do:down
Now after u recognize E button through ur key recognizing logic, accept the value entered(i.e. go ahead in ur program & use the value entered) & display 'ENTER'...
x(t) may represent any signal for e.g. a voltage, current, a sound wave, a television or mobile signal, a video signal which will be played by a pc on a monitor, daily closing of stock market, seismic wave (wave of energy that travel through the Earth), etc..
Signal processing, as it name...
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