Maths-
Integrating factor of the differential equation
is
Maths-General
- tan x

- sin x
- sec x
Answer:The correct answer is: sec x
Book A Free Demo

Grade*
Select Grade
Related Questions to study
physics-
The equivalent capacitance of the combination of the capacitors is

The 10
and 6
capacitors are connected in parallel, hence resultant capacitance is

This is connected in series with 4
capacitor, hence effective capacitance is


This is connected in series with 4
The equivalent capacitance of the combination of the capacitors is

physics-General
The 10
and 6
capacitors are connected in parallel, hence resultant capacitance is

This is connected in series with 4
capacitor, hence effective capacitance is


This is connected in series with 4
physics-
A lead shot of diameter 1mm falls through a long column of glycerine The variation of the velocity ‘v’ with distance covered (s) is represented by
A lead shot of diameter 1mm falls through a long column of glycerine The variation of the velocity ‘v’ with distance covered (s) is represented by
physics-General
physics-
Four plates of equal area
are separated by equal distance
and are arranged as shown in the figure. The equivalent capacity is

The given circuit is equivalent to a parallel combination of two identical capacitors.

Hence, equivalent capacitance between points
is


Hence, equivalent capacitance between points
Four plates of equal area
are separated by equal distance
and are arranged as shown in the figure. The equivalent capacity is

physics-General
The given circuit is equivalent to a parallel combination of two identical capacitors.

Hence, equivalent capacitance between points
is


Hence, equivalent capacitance between points
physics-
If a cooling curve is drawn taking t(s) along X-axis and temperature (q) along Y-axis, it appears as
If a cooling curve is drawn taking t(s) along X-axis and temperature (q) along Y-axis, it appears as
physics-General
maths-
Solution of differential equation xdy – ydx = 0 represents
Solution of differential equation xdy – ydx = 0 represents
maths-General
physics-
Two parallel plates of area
are separated by two different dielectric as shown in figure. The net capacitance is

Two parallel plates of area
are separated by two different dielectric as shown in figure. The net capacitance is

physics-General
physics-
A network of six identical capacitors, each of value
, is made as shown in the figure.
The equivalent capacitance between the points
is

In the given circuit capacitor’s (1) (2) and (3) are connected in series, hence equivalent capacitance is



This is connected in parallel with (4).

The three capacitor’s (5),
(6) are now connected in series.
Equivalent capacitance is




This is connected in parallel with (4).
The three capacitor’s (5),
A network of six identical capacitors, each of value
, is made as shown in the figure.
The equivalent capacitance between the points
is

physics-General
In the given circuit capacitor’s (1) (2) and (3) are connected in series, hence equivalent capacitance is



This is connected in parallel with (4).

The three capacitor’s (5),
(6) are now connected in series.
Equivalent capacitance is




This is connected in parallel with (4).
The three capacitor’s (5),
physics-
The equivalent capacitance between the points
in the following circuit is

The two capacitors each of value 1.5
are in parallel. So, their equivalent capacitance

Now, three capacitors each of value
are in series. Hence, their equivalent capacitance is given by

or
or

Now, three capacitors each of value
or
or
The equivalent capacitance between the points
in the following circuit is

physics-General
The two capacitors each of value 1.5
are in parallel. So, their equivalent capacitance

Now, three capacitors each of value
are in series. Hence, their equivalent capacitance is given by

or
or

Now, three capacitors each of value
or
or
maths-
Solution of differential equation
is
Solution of differential equation
is
maths-General
physics-
The equivalent capacitance of the combination shown in figure below is

The three capacitors are in parallel hence, their equivalent capacitance 
The equivalent capacitance of the combination shown in figure below is

physics-General
The three capacitors are in parallel hence, their equivalent capacitance 
physics-
A capacitor of capacitance
is filled with two dielectrics of dielectric constant 4 and 6. What is the new capacitance?

Initially, the capacitance of capacitor


…(i)
When it is filled with dielectric of dielectric constant
as shown, then there are two capacitors connected is parallel. So,

(as area becomes half)

Using Eq. (i), we obtain


When it is filled with dielectric of dielectric constant
(as area becomes half)
Using Eq. (i), we obtain
A capacitor of capacitance
is filled with two dielectrics of dielectric constant 4 and 6. What is the new capacitance?

physics-General
Initially, the capacitance of capacitor


…(i)
When it is filled with dielectric of dielectric constant
as shown, then there are two capacitors connected is parallel. So,

(as area becomes half)

Using Eq. (i), we obtain


When it is filled with dielectric of dielectric constant
(as area becomes half)
Using Eq. (i), we obtain
physics-
In the given network, the value of
, so that an equivalent capacitance between
and
is

Or

In the given network, the value of
, so that an equivalent capacitance between
and
is

physics-General
Or

physics-
The total energy stored in the condenser system shown in the figure will be

6
and 3
capacitors are in series




Total energy,

Total energy,
The total energy stored in the condenser system shown in the figure will be

physics-General
6
and 3
capacitors are in series




Total energy,

Total energy,
physics-
Effective capacitance between points
in the figure, shown is

The points
will be at same potentials since,
Therefore, capacitance of 2
will be unaffected.
So, the equivalent circuit can be shown as.

The effective capacitance in upper arm in series, is given by

The effective capacitance in lower arm in series is given by

Hence, the resultant capacitance in parallel is given by

Therefore, capacitance of 2
So, the equivalent circuit can be shown as.

The effective capacitance in upper arm in series, is given by
The effective capacitance in lower arm in series is given by
Hence, the resultant capacitance in parallel is given by
Effective capacitance between points
in the figure, shown is

physics-General
The points
will be at same potentials since,
Therefore, capacitance of 2
will be unaffected.
So, the equivalent circuit can be shown as.

The effective capacitance in upper arm in series, is given by

The effective capacitance in lower arm in series is given by

Hence, the resultant capacitance in parallel is given by

Therefore, capacitance of 2
So, the equivalent circuit can be shown as.

The effective capacitance in upper arm in series, is given by
The effective capacitance in lower arm in series is given by
Hence, the resultant capacitance in parallel is given by
physics-
Equivalent capacitance between
is


The capacitors 2
So, equivalent capacitance now is 2
This capacitance is now in series with 2
So, final effective capacitance=2
Equivalent capacitance between
is

physics-General

The capacitors 2
So, equivalent capacitance now is 2
This capacitance is now in series with 2
So, final effective capacitance=2