Physics-
General
Easy
Question
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
- Only the positive charges
- All the charges
and
The correct answer is: All the charges
The electric field is due to all charges present whether inside or outside the given surface
Related Questions to study
Physics-
The electric field due to a dipole at a distance
on its axis is
The electric field due to a dipole at a distance
on its axis is
Physics-General
Physics-
One metallic sphere
is given positive charge whereas another identical sphere 
of exactly same mass as of
is given equal amount of negative charge. Then
One metallic sphere
is given positive charge whereas another identical sphere 
of exactly same mass as of
is given equal amount of negative charge. Then
Physics-General
Physics-
If
be the electric field strength of a short dipole at a point on its axial line and
that on the equatorial line at the same distance, then
If
be the electric field strength of a short dipole at a point on its axial line and
that on the equatorial line at the same distance, then
Physics-General
Physics-
The charges
are placed at the vertices of a right-angled isosceles triangle as shown. The net electrostatic energy of the configuration is zero if
is equal to
The charges
are placed at the vertices of a right-angled isosceles triangle as shown. The net electrostatic energy of the configuration is zero if
is equal to
Physics-General
Physics-
The equivalent capacitance between
and
as shown in the figure is
The equivalent capacitance between
and
as shown in the figure is
Physics-General
Physics-
An electric dipole when placed in a uniform electric field
will have minimum potential energy, if the positive direction of dipole moment makes the following angle with 
An electric dipole when placed in a uniform electric field
will have minimum potential energy, if the positive direction of dipole moment makes the following angle with 
Physics-General
Maths-
Let
and
be two relations on a set
Then, which one of the following is not true?
Let
and
be two relations on a set
Then, which one of the following is not true?
Maths-General
Maths-
is the set of all residents in a colony and
is a relation defined on
as follows:
“Two persons are related iff they speak the same language”
The relation
is
is the set of all residents in a colony and
is a relation defined on
as follows:
“Two persons are related iff they speak the same language”
The relation
is
Maths-General
Maths-
On the set of human beings a relation
is defined as follows:
iff
and
have the same brother”. Then
is
On the set of human beings a relation
is defined as follows:
iff
and
have the same brother”. Then
is
Maths-General
Maths-
Let
be a relation from a set
to a set
then
Let
be a relation from a set
to a set
then
Maths-General
Maths-
If
are sets such that
and
then 
If
are sets such that
and
then 
Maths-General
Maths-
The relation “is a factor of” on the set
of all natural numbers is not
The relation “is a factor of” on the set
of all natural numbers is not
Maths-General
Maths-
If
and
then the minimum possible value of
is
If
and
then the minimum possible value of
is
Maths-General
Maths-
Let
be a relation on the set
of natural numbers defined by
is a factor of
Then,
is
Let
be a relation on the set
of natural numbers defined by
is a factor of
Then,
is
Maths-General
Maths-
The number of elements in the set
, where
is the set of all integers, is
The number of elements in the set
, where
is the set of all integers, is
Maths-General