Electromagnetic Induction

1. Apr 12, 2007

AaronLosAl

1. The problem statement, all variables and given/known data
I just got to two problems on my highschool homework that i have no idea what to do because the teacher did not tell us how.

A generator can provide a maximum output emf of 170V. Calculate the rms potential difference.

2. Relevant equations

Do not know any relevant equations and i cannot find them in the book.

3. The attempt at a solution

170V(.707)=120V?

And then i do not even know where to start on this question.

Suppose you build a hydroelectric turbine in your back year along a river. The turbine is connected to a generator which can provide a rms potential difference of 320 V onto a 100 OHM load. Calculate the maximum output emf. Find the rms current and the maximum AC current in the curcuit.

Please help me!

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