SampleFA

SampleFA - 8.02 Sample Final A (My best guess) 1. Concept...

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8.02 Sample Final A (My best guess) p. 1/4 1. Concept Questions 1. Which of the following statement(s) correctly identifies possible sources of electric fields. A. Time changing magnetic fields B. Point-like stationary electric charges C. Moving point-like magnetic charges D. Time changing electric fields E. Point-like stationary magnetic charges F. Moving point-like electric charges 2. Coherent monochromatic plane waves impinge on two long narrow apertures of width a separated by a distance d (d >> a). a) Adjacent interference fringes due to the double-aperture interference maxima are further apart than the distance between adjacent diffraction minima due to the width of each aperture b) Adjacent interference fringes due to the double-aperture interference maxima are closer together than the distance between adjacent diffraction minima due to the width of each aperture c) Adjacent interference fringes due to the double-aperture interference maxima are the same distance apart as the distance between adjacent diffraction minima due to the width of each aperture 3. The circuit at right consists of two light bulbs of equal resistance R, an ideal inductor L and an ideal capacitor C. The switch S has been open for a very long time. A S C L B V At each of the below times state whether bulb A or B is brighter, or if they are of the same brightness a) immediately after the switch S is closed b) a very long time after the switch is closed c) immediately after the switch is reopened after having been closed for a long time S 4. The capacitor shown in the sketch is initially charged, and carries charge Q 0 . Its capacitance is C . At t = 0 , the switch S is closed, allowing the capacitor to discharge through the resistance R . For t > 0, C R a) The Poynting vector points into both the capacitor and the resistor b) The Poynting vector points out of both the capacitor and the resistor
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This note was uploaded on 04/27/2009 for the course 8 8.02 taught by Professor Hudson during the Spring '07 term at MIT.

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SampleFA - 8.02 Sample Final A (My best guess) 1. Concept...

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