Capacitor & Capacitance
, Capacitor &Capacitance
You potential
Capacitor is a device to store
energy .
can store
energy as
energy in electric field .
Comparison with
battery
-
Similarities -
Differences .
-
Ii ) Both can store lit Release of energy
energy . .
Iii ) can
generate Potential difference ii}
way to store
energy .
in a circuit . iii} Amount of energy stored
in it .
let us understand it with the help of Consider dam
an
analogy . a
stores amount of water .
it has small
gates to release water for
various needs .
Now if the dam breaks down and a
huge amount
That
water is released at once .
way a
battery and a
capacitor works .
A
battery supplies a constant amount of energy keeping a constant
potential difference ,
but a
capacitor releases a
huge amount of
at once It has such as in camera flash
energy .
many uses .
A
battery stores
energy by chemical reaction ,
but for a
capacitor
has to be
it
charged to
get energy supply .
The stored in
capacitor less than that
amount
energy a is
generally
of a
battery .
Why we need a
capacitor ?
is that
When
people produced static electric
charges a problem static
charges does not holds for a
long period of time . Scientist worked on that
, Capacitor &Capacitance
You potential
Capacitor is a device to store
energy .
can store
energy as
energy in electric field .
Comparison with
battery
-
Similarities -
Differences .
-
Ii ) Both can store lit Release of energy
energy . .
Iii ) can
generate Potential difference ii}
way to store
energy .
in a circuit . iii} Amount of energy stored
in it .
let us understand it with the help of Consider dam
an
analogy . a
stores amount of water .
it has small
gates to release water for
various needs .
Now if the dam breaks down and a
huge amount
That
water is released at once .
way a
battery and a
capacitor works .
A
battery supplies a constant amount of energy keeping a constant
potential difference ,
but a
capacitor releases a
huge amount of
at once It has such as in camera flash
energy .
many uses .
A
battery stores
energy by chemical reaction ,
but for a
capacitor
has to be
it
charged to
get energy supply .
The stored in
capacitor less than that
amount
energy a is
generally
of a
battery .
Why we need a
capacitor ?
is that
When
people produced static electric
charges a problem static
charges does not holds for a
long period of time . Scientist worked on that
