Question
A sphere of radius r is charged to a potential V. The outward pull per unit area of its surface is given by
The correct answer is:
Related Questions to study
Aniline is not the major product in one of the following reactions. Identify that reaction.
Aniline is not the major product in one of the following reactions. Identify that reaction.
The reaction,
is called:
The reaction, is called:
If area of each plate is A and the successive separations are d, 2d and 3d then the equivalent capacitance across A and B is
If area of each plate is A and the successive separations are d, 2d and 3d then the equivalent capacitance across A and B is
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
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
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 
and then isolated. A small capacitor C is then charged from , discharged and charged again; the process being repeated n times. Due to this, potential of the larger capacitor us decreased to V . The value of C is
A capacitor of capacitance charged to a potential and then isolated. A small capacitor C is then charged from , discharged and charged again; the process being repeated n times. Due to this, potential of the larger capacitor us decreased to V . The value of C is
Nitric oxide is prepared by the action of 
on
Nitric oxide is prepared by the action of on
For chrome plating the electrolytic bath contains:
For chrome plating the electrolytic bath contains:
The metal which does not form ammonium nitrate by reaction with dilute nitric acid is
The metal which does not form ammonium nitrate by reaction with dilute nitric acid is
When conc. 
is distilled with , 
the product formed is:
When conc. is distilled with , the product formed is:
Ammonia reacts with excess of chlorine to form:
Ammonia reacts with excess of chlorine to form:
The last orbit of argon would have electrons
The last orbit of argon would have electrons
Oxide of nitrogen used as catalyst in lead chamber process for the manufacture of 
is:
Oxide of nitrogen used as catalyst in lead chamber process for the manufacture of is:
Reaction of PCl3 and PhMgBr would give
Reaction of PCl3 and PhMgBr would give
….. liberates oxygen from water.
….. liberates oxygen from water.
