reachrkata
@reachrkata-FOcqhH Member
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The Story of Nikola Tesla
Its perhaps true. There is a passing reference to this rivalry in the movie "The Prestige" if anyone has seen it. - Karthik
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which Port identifies battery charger?
There is usually a battery management IC which does this. It senses the presence/absence of power and starts charging accordingly.
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Whaat will happen if ...
What you have to realise here is that KVL should not be applied along with Superposition. These are two separate tools of analysis never to be...
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Series and parallel circuits
There are 2 ways to understand this - 1) Consider the voltage equation of a cap V = 1/C * (integral) i.dt. if there are 2...
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Whaat will happen if ...
Exactly. But what you need to understand is that, the superposition theorem is just a mathematical method of simplifying analysis of circuits with multiple sources. It...
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Why source generated signal frequencies are converted into carrier frequencies...?
Re: Why source generated signal frequencies are converted into carrier frequencies... Perhaps this thread help !! #-Link-Snipped-#
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Building Load Shedding
Hello LEon, You are correct in starting out with a list like you mentioned. Further to that, I have a few suggestions - 1) Try to...
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Whaat will happen if ...
A current of 1A will flow through the resistor. The voltage drop across the 2 Ohm resistor balances the 2V voltage source and therefore no current...
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phase difference
Assuming sinusoidal signals, it is neither 0 nor 45, but in fact at 30 degrees !!! -Karthik
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Meaning of 'Class' in MicroSD Cards
Nah nothing like that. I have been checking all the posts in the forum and replying to some also. Perhaps I don't reply often, but thats...
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Meaning of 'Class' in MicroSD Cards
Hey K, Its almost like how you said, but its just that the speed will be a minimum of XMBps. <a href="https://en.wikipedia.org/wiki/Secure_Digital#Speeds" target="_blank" rel="...
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Measuring an electric field
skipperWell, if you adjust the volume for a number of different broadcast signals, using a battery-powered radio, so that in each case they output the same...
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Poor 2G/3G quality inside a moving elevator
Thats because, usually, lifts/elevators are closed metal boxes, which are very good shields for RF signals. However, there are solutions available to overcome this problem too...
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dual power supply in Differsntial amplifier..
I dont see any particular difference except that in a single supply scenario, both the inputs need to be biased with 1/2 the supply voltage, what...
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What is the Relationship Between Frequency and Power?
qaisarpk1its fine mohit ..... as u said that the lower frequncy travel more distance then why we modulate low freq signal on higher frequencies .... kindly...
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Why are UPS so heavy?
Another important item that makes the UPS heavy is a step down transformer. There are transformer-less UPSs also available. However all the simple ones usually have....
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Power Loss
No. Since the current will flow from the 5V supply into the 3V supply, it will always gain power. It is like charging a battery. -...
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Circuit capacitance
One way is to give a step input to the circuit and calculate the output based on the rise time at the output. Perhaps you can...
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how to reduce certain value of a DC voltage bot not the other values?
Adding an inductor should slow down the voltage rise. -Karthik
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why voltage across current source can't be measured?
Yes for analysis, it can be assumed ideal. For current sources, the ideal scenario is that its internal shunt resistance is infinite. Thats all. The source...
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why voltage across current source can't be measured?
shreyasm89.. Remember there is no difference in the values of currents at the i/p and o/p of a current source. this implies that there is no...
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why voltage across current source can't be measured?
Before I tell you what I want to tell, let me first confirm that, yes, we can measure the current through a voltage source. Just connect...
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how television sets on same channel after restart?
Usually such settings (like the las channel visited, last volume level) is stored in EEPROM before switch-off. On switching on, it does so as per the...
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I need help with memory desiging.
Since you have 2 memory devices of 512K each, they require 19 address lines. Use the 20th address line as a select (or enable) for the...
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negative potential
If you recall your engineering, Potential at a point is defined as the work done to move a charge from infinity to the point. Since infinity...
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FM Transmission
@Ashish - You understood me wrong. 2 stations can be transmitting at the same signal level. But if one of the stations is in Bangalore and...
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FM Transmission
Its just because of the distance between the two sources. Just like there are norms governing bandwidth, deviation, etc, there are also those governing maximum transmission...
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Fully charged capacitor short circuited?
No it will rise, but not instantaneously. It will rise exponentially. -Karthik
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Fully charged capacitor short circuited?
In fact the capacitors never charges again. All the electrons in the -ve terminal flow instantaneously to neutralise the positively charged terminal. The Energy is lost...
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Op Amp Question
Use superposition theorem to get the output of the non inverting amplifier for the 2 inputs separately. Add the results and you have the answer. -...
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what are the capacitances of MOSFET?
The most important is the Gate - source capacitance. This decides how fast the MOSFET can switch. -Karthik 😁
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What are implications for change over from 50 hz to 60 hz system?
If you are using devices that usually work on DC - Like your laptop, TV, stereo system would not be affected that much i think, since...
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