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The 335 $\mathrm{kV}$ AC electricity from a power transmission line is fed into the primary coil of a transformer. The ratio of the number of turns in the secondary to the number in the primary is $N_{\mathrm{s}} / N_{\mathrm{p}}=1000$ . (a) What voltage is induced in the secondary? (b) What is unreasonable about this result? (c) Which assumption or premise is responsible?

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Physics 102 Electricity and Magnetism

Chapter 23

Electromagnetic Induction, AC Circuits, and Electrical Technologies

Electromagnetic Induction

Simon Fraser University

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University of Sheffield

University of Winnipeg

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So here we know that four part of the voltage in the secondary coil divided by this primary voltage equals the number of turns in the secondary called about a number of turns in the primary quote. And so we can't say that to hear Ah, we know that this is equal in 1000. And so essentially, we can say that the voltage in the secondary coil would be simply 1000 divided by the voltage in the primary coil, Um, which we know to be 335 kilovolts. So, essentially, we can say that Visa Bess is equaling 335 mega votes. This would be a recon site 335 times 10 to the six votes. This is essentially what that means. So this would be a final answer for part A for part B. What is unreasonable? Well, of course, this values and reasonable we can say that Visa s equaling 335 mega volts is very high, and thus you get to say that's unreasonable. And then for part C, what premise? Um and we can say that we can say the premises of the 1000 the ratio of 1000. So we can say it is unreasonable, Ah, to say that the number of turns in the secondary coil divided by the number of turns in the primary coil equals 1000. And this premise is what gives us on unreasonable results. That is the end of the solution. Thank you for watching.

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