Last Updated On 16-03-2023 - By Jeesha Sara
A parallel plate capacitor having capacitance 12 pF is charged by a battery to a potential difference of 10 V between its plates. The charging battery is now disconnected and a porcelain slab of dielectric constant 6.5 is slipped between the plates the work done by the capacitor on the slab is :
(a)
692 pJ
(b)
60 pJ
(c)
508 pJ
(d)
560 pJ
A parallel plate capacitor having capacitance 12 pF is charged by a battery to a potential difference of 10 V between its plates. The charging battery is now disconnected and a porcelain slab of dielectric constant 6.5 is slipped between the plates the work done by the capacitor on the slab is :
(a)
692 pJ
(b)
60 pJ
(c)
508 pJ
(d)
560 pJ
Question ID - 50283 :-
A parallel plate capacitor having capacitance 12 pF is charged by a battery to a potential difference of 10 V between its plates. The charging battery is now disconnected and a porcelain slab of dielectric constant 6.5 is slipped between the plates the work done by the capacitor on the slab is :
(a)
692 pJ
(b)
60 pJ
(c)
508 pJ
(d)
560 pJ
|
A parallel plate capacitor having capacitance 12 pF is charged by a battery to a potential difference of 10 V between its plates. The charging battery is now disconnected and a porcelain slab of dielectric constant 6.5 is slipped between the plates the work done by the capacitor on the slab is : |
|||
|
(a) |
692 pJ |
(b) |
60 pJ |
|
(c) |
508 pJ |
(d) |
560 pJ |
Intial energy of capacitor
=
=
×
=600J
Since battery is disconnected so charge remain same.
Final energy of capacitor
=
=
×
=92
W+
=Ui
W=508 J
Next Question :
|
Two kg of a monoatomic gas is at a pressure of 4 |
|||
|
(a) |
103 J |
(b) |
105 J |
|
(c) |
106 J |
(d) |
104 J |
104 N/m2. The density of the gas is 8kg/m3. What is the order of energy of the gas due to its thermal motion?View Topper Answer
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