Physics-
General
Easy
Question
As in figure shown, if a capacitor C is charged by connecting it with resistance R, then energy is given by the battery will be
- More than
- Less than
- Zero
The correct answer is: More than
Some energy lost in the form of heat in resistance also.
Related Questions to study
Physics-
A parallel plate capacitor of capacity 
is charged to a potential 
(i) The energy stored in the capacitor when the battery is disconnected and the separation is doubled 
(ii) The energy stored in the capacitor when the charging battery is kept connected and the separation between the capacitor plates is doubled is 
Then 
value is
A parallel plate capacitor of capacity is charged to a potential
(i) The energy stored in the capacitor when the battery is disconnected and the separation is doubled
(ii) The energy stored in the capacitor when the charging battery is kept connected and the separation between the capacitor plates is doubled is Then value is
Physics-General
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If the distance between parallel plates of a capacitor is halved and dielectric constant is doubled then the capacitance
If the distance between parallel plates of a capacitor is halved and dielectric constant is doubled then the capacitance
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The capacity of a parallel plate capacitor with no dielectric substance but with a separation of 0.4 cm is 
. The separation is reduced to half and it is filled with a dielectric substance of value 2.8. The final capacity of the capacitor is
The capacity of a parallel plate capacitor with no dielectric substance but with a separation of 0.4 cm is . The separation is reduced to half and it is filled with a dielectric substance of value 2.8. The final capacity of the capacitor is
Physics-General
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A 
capacitor is connected to a 50V battery. How much electrostatic energy is stored in the capacitor
A capacitor is connected to a 50V battery. How much electrostatic energy is stored in the capacitor
Physics-General
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Two protons A and B are placed in space between plates of a parallel plate capacitor charged upto V volts (See fig.) Forces on protons are 
and 
, then
Two protons A and B are placed in space between plates of a parallel plate capacitor charged upto V volts (See fig.) Forces on protons are and , then
Physics-General
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Two identical charged spherical drops each of capacitance C merge to form a single drop. The resultant capacitance is
Two identical charged spherical drops each of capacitance C merge to form a single drop. The resultant capacitance is
Physics-General
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Two spherical conductors each of capacity 
are charged to potentials 
and 
. These are then connected by means of a fine wire. The loss of energy will be
Two spherical conductors each of capacity are charged to potentials and . These are then connected by means of a fine wire. The loss of energy will be
Physics-General
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The expression for the capacity of the capacitor formed by compound dielectric placed between the plates of a parallel plate capacitor as shown in figure, will be (area of plate 
)
The expression for the capacity of the capacitor formed by compound dielectric placed between the plates of a parallel plate capacitor as shown in figure, will be (area of plate )
Physics-General
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The diameter of each plate of an air capacitor is 
. To make the capacity of this plate capacitor equal to that of 
diameter sphere, the distance between the plates will be
The diameter of each plate of an air capacitor is . To make the capacity of this plate capacitor equal to that of diameter sphere, the distance between the plates will be
Physics-General
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A light bulb, a capacitor and a battery are connected together as shown here, with switch 
initially open. When the switch is closed, which one of the following is true
A light bulb, a capacitor and a battery are connected together as shown here, with switch initially open. When the switch is closed, which one of the following is true
Physics-General
Maths-
y= 
, then 
at x = e is
y= , then at x = e is
Maths-General
Maths-
lf ST and SN are the Iengths of the subtangent and the subnormal at the point 
on the curve 
, where 
], then
lf ST and SN are the Iengths of the subtangent and the subnormal at the point on the curve , where ], then
Maths-General
Maths-
The normal to the curves 
and 
at angle 
always passes through the fixed point
The normal to the curves and at angle always passes through the fixed point
Maths-General
Maths-
If 
=
and 
=
then
If =and = then
Maths-General
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
