Q7S - Physics 54 Summer 2011 Quiz 7 Solutions Check the...

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Quiz 7 Solutions Check the best answer. 1. In the circuit shown the generator emf (rms) is held Fxed while the frequency is being reduced, which makes the bulb glow brighter. Which of the following is wrong? The circuit’s impedance is decreasing. The (rms) current in the circuit is increasing. Initially X L > X C . One of the above is false. [They are all true.] Check T or F depending on whether the statement is true or false. 2. Shown are wires carrying equal currents in opposite directions, with the upper wire at higher potential; at the point shown the Feld energy is moving to the right. T ± [ E is down the page, B is into the page, so S is to the right.] E C R L I I Physics 54 Summer 2011 1
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3. In the circuit shown, V in is the rms voltage of an AC generator of angular frequency
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This note was uploaded on 10/19/2011 for the course PHYSICS 54L taught by Professor Thomas during the Summer '09 term at Duke.

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Q7S - Physics 54 Summer 2011 Quiz 7 Solutions Check the...

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