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Considering the voltage equation e=740sin(wt+80degrees), what is the magnitude of the rms voltage?...

Question

Considering the voltage equation e=740sin(wt+80degrees), what is the magnitude of the rms voltage?

Considering the voltage equation e=740sin(wt+80degrees), what is the magnitude of the rms voltage?



Answers

An ac voltage is represented by $\mathrm{V}(\mathrm{t})=(200 \mathrm{~V}) \sin (120 \pi \mathrm{t})$ $V(t)=(200 \mathrm{~V}) \sin (120 \pi t)$. What is its rms voltage? Example 21-1

So what is the root need? Squared voltage over this alternating current. So ultimately current, we have a power of fifteen hundred watts on. We have a peek current equaling six point four amps so we can say that the power is going to be equal to the route means squared current times. The route means where voltage this will equal the peak. Current time's thie route means squared voltage divided by radical, too. And so we find that the route means squared voltage is simply going to be equal to yeah, the average power times radical, too divided by the peak current. So this is equal fifteen hundred time's radical, too divided by six point four, and this will equal three hundred and thirty one volts. So this is the route means squared voltage. That is the end of the solution. Thank you for watching

This question. We are given an A C generator that produces a peak voltage off 75 votes. So remarks is the course too. 75 votes and we are asked to calculate the routing squared voltage that is produced by such a narrator. So we want to calculate V. R. M s, and it is straightforward to do so. We just have to put him This is why you in these equations? So we get 75 over square root of two votes, which is approximately 53 votes.

31.54. So we're told that we have an A C voltage. That's 100 volts are a mess, and we want to find out what the people tages. Um, in fact, we need to that actually assume something about this about this voltage, Namely, that it's signed you soil because other shapes that, uh, what is, you know, tech things that you know that are also a si voltage signals could have. It turns out that the relationship between the R M s voltage and with the amplitude, you know, differ, but we only are worried about sinus little voltages in this chapter. Uh, so we know that the maximum voltage is going to be the spirit of two times the r. M s voltage again, assuming that it's sinus oil, which is what we're going to do here. And so this will be 141 bolts

For this problem on the topic off alternating current circuits were given the RMS current in an R L C circuit at resonance were also given the RMS voltage off the generator and I asked to Cal calculate the resistance are now. We know at residence we have the react Ince's Excel is equal to the accidents exceed. So the reactions off the doctors equals the reactions off the capacitor On this, in turn, means that the impedance said is simply equal to the resistance are so therefore we can calculate this resistance are using the equation Are executives said Is he going to the R. M s divided by I. R M s, both of which are given, and this is 120 volts The RMS voltage divided by the army's current or 5 28 and peers, which gives the resistance in the second to be 21 homes


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