Maths-
General
Easy
Question
If
=
and
=
then
The correct answer is: 
Related Questions to study
Physics-
The distance between the circular plates of a parallel plate condenser
in diameter, in order to have same capacity as a sphere of radius
is
The distance between the circular plates of a parallel plate condenser
in diameter, in order to have same capacity as a sphere of radius
is
Physics-General
Physics-
A frictionless dielectric plate
is kept on a frictionless table
. A charged parallel plate capacitance
(of which the plates are frictionless) is kept near it. The plate
is between the plates. When the plate
is left between the plates

A frictionless dielectric plate
is kept on a frictionless table
. A charged parallel plate capacitance
(of which the plates are frictionless) is kept near it. The plate
is between the plates. When the plate
is left between the plates

Physics-General
Physics-
As shown in the figure, a very thin sheet of aluminium is placed in between the plates of the condenser. Then the capacity

As shown in the figure, a very thin sheet of aluminium is placed in between the plates of the condenser. Then the capacity

Physics-General
Physics-
Force of attraction between the plates of a parallel plate capacitor is
Force of attraction between the plates of a parallel plate capacitor is
Physics-General
Physics-
A parallel plate condenser is connected with the terminals of a battery. The distance between the plates is
. If a glass plate (dielectric constant
) of
is introduced between them, then the capacity will become
A parallel plate condenser is connected with the terminals of a battery. The distance between the plates is
. If a glass plate (dielectric constant
) of
is introduced between them, then the capacity will become
Physics-General
Physics-
drops each having the capacity
and potential
are combined to form a big drop. If the charge on the small drop is
, then the charge on the big drop will be
drops each having the capacity
and potential
are combined to form a big drop. If the charge on the small drop is
, then the charge on the big drop will be
Physics-General
Physics-
Separation between the plates of a parallel plate capacitor is
and the area of each plate is
. When a slab of material of dielectric constant
and thickness
is introduced between the plates, its capacitance becomes
Separation between the plates of a parallel plate capacitor is
and the area of each plate is
. When a slab of material of dielectric constant
and thickness
is introduced between the plates, its capacitance becomes
Physics-General
Physics-
The energy of a charged capacitor is given by the expression (
= charge on the conductor and C = its capacity)
The energy of a charged capacitor is given by the expression (
= charge on the conductor and C = its capacity)
Physics-General
Physics-
The electric flux for Gaussian surface A that enclose the charged particles in free space is (given q1 = –14 nC, q2 = 78.85 nC, q3 = – 56 nC)

The electric flux for Gaussian surface A that enclose the charged particles in free space is (given q1 = –14 nC, q2 = 78.85 nC, q3 = – 56 nC)

Physics-General
Physics-
Consider the charge configuration and spherical Gaussian surface as shown in the figure. When calculating the flux of the electric field over the spherical surface the electric field will be due to

Consider the charge configuration and spherical Gaussian surface as shown in the figure. When calculating the flux of the electric field over the spherical surface the electric field will be due to

Physics-General
Physics-
Shown below is a distribution of charges. The flux of electric field due to these charges through the surface S is

Shown below is a distribution of charges. The flux of electric field due to these charges through the surface S is

Physics-General
Physics-
and
are point charges located at points as shown in the figure and
is a spherical Gaussian surface of radius R. Which of the following is true according to the Gauss’s law

and
are point charges located at points as shown in the figure and
is a spherical Gaussian surface of radius R. Which of the following is true according to the Gauss’s law

Physics-General
Physics-
Electric charge is uniformly distributed along a long straight wire of radius 1mm. The charge per cm length of the wire is Q coulomb. Another cylindrical surface of radius 50 cm and length 1m symmetrically encloses the wire as shown in the figure. The total electric flux passing through the cylindrical surface is

Electric charge is uniformly distributed along a long straight wire of radius 1mm. The charge per cm length of the wire is Q coulomb. Another cylindrical surface of radius 50 cm and length 1m symmetrically encloses the wire as shown in the figure. The total electric flux passing through the cylindrical surface is

Physics-General
Physics-
On a planet a freely falling body takes 2 sec when it is dropped from a height of 8 m, the time period of simple pendulum of length 1 m on that planet is
On a planet a freely falling body takes 2 sec when it is dropped from a height of 8 m, the time period of simple pendulum of length 1 m on that planet is
Physics-General
Maths-
The equation of the tangent to curve
at the point where it crosses
‐axis is
The equation of the tangent to curve
at the point where it crosses
‐axis is
Maths-General