A charged sphere is connected to a similar uncharged sphere . Then the percentage loss of enery is
Asked by Deepak
4th August 2018,
3:55 PM
Answered by Expert
Answer:
Let R be the radius of the sphere and q Coulomb be the charge on the sphere.
Initial Stored energy on the sphere = 
where C is the capacitance of the sphere which is equal to 4πεoR.
Once the charged sphere is made contact with similar sphere,
both spheres share the charge uniformly and each sphere will have charge q/2 Coulomb
Since the capacitance is related to radius and radius of each sphere is same, capacitance remains constant.
Now the energy stored in both the capacitors = 
By comparing eqn(1) and (2), we get loss of energy is 50%
Answered by Expert
4th August 2018,
4:37 PM
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