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
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The magnitude of electric field in the annual region of a charged cylindrical capacitor
The magnitude of electric field in the annual region of a charged cylindrical capacitor
Two spheres of radii and
joined by a fine wire are raised to a potential V. Let the surface charge densities at these two spheres be
and
respectively. Then the ratio
has a value
Two spheres of radii and
joined by a fine wire are raised to a potential V. Let the surface charge densities at these two spheres be
and
respectively. Then the ratio
has a value
The equivalent capacitance across
Fig is

The equivalent capacitance across
Fig is

What is the potential difference across 2
F capacitor in the circuit shown?

What is the potential difference across 2
F capacitor in the circuit shown?

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
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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The maximum field intensity on the axis of a uniformly charged ring of charge q and radius R will be
The atomic radii in periodic table among elements from right to left
The atomic radii in periodic table among elements from right to left
The unit representing atomic radii and ionic radii is
The unit representing atomic radii and ionic radii is
The lanthanide contraction is responsible for the fact that
The lanthanide contraction is responsible for the fact that
Which of the following attacks glass
The etching of glass is based on these reactions.
Which of the following attacks glass
The etching of glass is based on these reactions.