High voltage input question?

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Input and Output Voltage question in Transistor?

is the relationship of the phase bet. Vi and Vo in PNP the same as in NPN? Why?

Answer:

depends on the circuit! To make a circuit with amplification, we can connect the transistor in a few...

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Why does my voltage drop so acutely the AC's compressor switches on?

I know when a AC's compressor starts works everybody everywhere experience a drop in line voltage. Mine is an extreme-hence the question. I will explain. I live in India. During nighttime, until about 1 AM , the voltage in our house (that we receive...

Answer:

If the voltage regulator (stabilizer) doesn't work, and it has enough rated capacity to handle the AC...

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Physics homework help please ;(((((((( Had a 200 question review and just couldnt figure out these! thank you?

QUESTION 1 Three resistors of resistances 2 Ω, 4 Ω, and 6 Ω are connected in parallel across a 12 V battery. What is the total current in the circuit? 0.75 A 11 A 7.5 A 1.1 A QUESTION 2 Three resistors 1 Ω, 2 Ω and 3 &Omega...

Answer:

2), 3) and 7) are the same series circuit and are trivial questions. Total Series Resistance R = 1 ...

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How do I get a certain Voltage and a certain Amperage out of so many watts from solar power?

I want to make a solar panel that is 12V D/C. I want all the amps i can get because my end goal is to power my house, or at least tie the power into the house. Here are the details as to what I (think I) know: A house runs off of 120V A/C and about ...

Answer:

You want 120V at 200amps? What are you expecting to run? That's 24,000W! I'd suggest the maximum you...

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If you double voltage, what happens to power?

The full question: Power is being transmitted through normal transmission lines from a generator to a substation. If the input voltage is doubled and the current halved, how will the power input and the useful power output change? a) Both the power input...

Answer:

P supply= IV input P waste= V^2/R If you double voltage, your power increases by a power of 4. Plug...

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Transformers, peak voltage, and Vrms?

This is about a transformer and we are supposed to find the number of turns for the second coil. I already solved the question using the ratio equation which relates the voltages and wire turns for the primary and secondary coils using the Vrms voltage...

Answer:

Yes, in theory you can use the peak voltage as long as you remember that it's not RMS the next time...

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A step up transformer with an input voltage of 240 V?

Background info. Anode and cathode in an xrya tube with a potential difference of 120 kv provided by a three phase fully rectified circuit. The tube current is 80mA. The filament carries a current of 3.5 A. So those values are meant to help with the...

Answer:

120kv=1,20000V ,.Ideal ratio is 1000:2, but there are other factors to be considered such as diameter...

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Power supply question?

My pc Specs: DELL Optiplex 755 Win 7 (32- bit) Intel core 2 Duo 2.66ghz 3GB RAM DDR2 Please answer my question: 1.Well i am asking is all power supply different?... Because when i first heard of RAM i thought there were the same but it turns out they...

Answer:

Most ATX power supplies for PCs are compatible. 750w are just more powerful than the 500w I have, it...

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Question about Voltage and AC Adapters

Am I ruining my laptop with this AC adapter? have a question about AC adapters and voltage. For work, I use a Toshiba Satellite U305-S7467 laptop. It's a great machine, but I forgot my power plug at home this morning. I've been meaning to buy a second...

Answer:

I think it's unlikely to be a problem. I'm pretty sure the laptop power jacks connect to another regulator...

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Percentage of input power available...Urgent!?

5 points to best answer. I need help with iv, but you have to use the figures from previous questions to answer it. Is it okay to post this in this section? Hmm, I wasn't sure. Its a simple question really. The input voltage to each cable is 400kV. The...

Answer:

Assuming 3 phase supply. At a voltage of 400k (line voltage VL) and a current of 40 amp (line current...

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