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[" 20.A fully charged capacitor has a ca...

[" 20.A fully charged capacitor has a capacitance "*C" .It is "],[" discharged through a small coil of resistance wire embed- "],[" ded in a thermally insulated block of specific heat capacity "],[s'" and mass ' "m'" .If the temperature of the block is raised by "],[qquad [*AT'," the potential difference "'V," across the capacitance is "],[[" (a) "(mC Delta T)/(s)," (b) "sqrt((2mC Delta T)/(s))],[" (c) "sqrt((2ms Delta T)/(C))," (d) "(ms Delta T)/(C)],[" 21.An electric dipole is placed at an angle of "30^(@)" to a non- "]]]

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