In the four circuit diagrams at right, all resistors are identical,...

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In the four circuit diagrams at right, all resistors are identical, and all batteries have the same ideal emf. Rank, from greatest to least, the currents 11 through 14. + + + 134 I2 > I3 > I4 > I1 I2 > I4 > I3 > I1 I3 > I4 > I1 > I2 I2 > I4 > I1 > I3 I1 > I4 = I3 > I2 An electron moves perpendicular to a magnetic field, experiencing the force shown in the figure at right. What is the direction of B? F - 1 Toward the bottom of the page. To the right in the page. Into the page. Toward the top of the page. Out of the page. To the left in the page. In the diagram at right, an uncharged conducting bar is moving with constant velocity V to the left through a region where there is a uniform magnetic field pointing out of . . the page. What charge distribution will the bar have, as a result of its motion? B out of page . . V . . The right side of the bar will have positive charge, and the left side of the bar will have negative charge. The bar will gain a net positive charge, distributed uniformly along its length. The left side of the bar will have positive charge, and the right side of the bar will have negative charge. The bar will remain electrically neutral at all points. The top of the bar will have positive charge, and the bottom of the bar will have negative charge. The bottom of the bar will have positive charge, and the top of the bar will have negative charge. The bar will gain a net negative charge, distributed uniformly along its length, In the diagram at right, what is the potential difference across the 2 F capacitor? 1 uF 1 uF 2 uF 16V 8 volts 4 volts 2 volts 12 volts 16 volts 6 volts The figure at right shows a sub-segment of a complete circuit. At a given moment, a voltage measurement across the sub-segment indicates that point B is 12 V higher 2 uF than point A. At the same moment, the capacitor is known to have 12 C of stored 302 + charge. o M + o A + B At what rate is the resistor consuming energy, at this moment? + 72 W 12 W 36 W 96 W 48 W 108 W

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