Question
Two plates, each of area A, are placed parallel to each other at a distance d. One plate is connected to a battery of e.m.f. E and its negative is earthed. The other plate is also earthed.
The charge drawn by plate is
The correct answer is:
Related Questions to study
Two identical capacitors have the same capacitance C. One of them is charged to potential 
and the other to 
. The negative ends of the capacitors are connected together. When the positive ends are also connected, the decrease in energy of the system is
Two identical capacitors have the same capacitance C. One of them is charged to potential and the other to . The negative ends of the capacitors are connected together. When the positive ends are also connected, the decrease in energy of the system is
A capacitor of capacitance 
charged to a potential 
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Nitric oxide is prepared by the action of 
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For chrome plating the electrolytic bath contains:
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The metal which does not form ammonium nitrate by reaction with dilute nitric acid is
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When conc. is distilled with , the product formed is:
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….. liberates oxygen from water.
….. liberates oxygen from water.
In case of nitrogen, 
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A hollow charged metal sphere has radius r . If the potential difference between its surface and a point at a distance 3r from the centre is V, then electric field intensity at a distance 3r is
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Two spheres of radii 
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A large insulated sphere of radius r charged with Q units of electricity is placed in contact with a small insulated uncharged sphere of radius r and in then separated. The charge on smaller sphere will now be
A large insulated sphere of radius r charged with Q units of electricity is placed in contact with a small insulated uncharged sphere of radius r and in then separated. The charge on smaller sphere will now be
