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JEE Advanced Physics 2014 Paper 1 #10 (#24) RC-Circuit 3 месяца назад


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JEE Advanced Physics 2014 Paper 1 #10 (#24) RC-Circuit

Visit http://ilectureonline.com for more math and science lectures! To donate: http://www.ilectureonline.com/donate https://www.patreon.com/user?u=3236071 At time t=0, terminal A in the circuit shown is connected to B by a key and an alternating current I(t)=I0cos(wt), with I0=1A and w=500rad/s starts flowing in it with an initial direction shown in the figure. At t=7pi/(6w), the key is switched from B to D. (From now on only A and D are connected.) A total charge Q flows from the battery to charge the capacitor fully. If C=20uF, R=10ohm and the battery is ideal with EMF=50V, identify the correct statement(s): A) Magnitude of the maximum charge on C before t=7pi/(6w) is 1x10^(-3)C. B) The current in the left part of the circuit just before t=7pi/(6w) is clockwise. C) Immediately after A is connected to D, the current in R=10A. D) Q=2x10^(-3) Previous video in this series can be seen at:    • JEE Advanced Physics 2013 Paper 2  #1...   Next video in this series can be seen at:    • JEE Advanced Physics 2014 Paper 1  #8...  

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