Two concentric conducting shells of radius a and 
carry charges Q and 
respectively. The correct variation of electric intensity E as a function of r is give
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
The inner face of the outer shell has the charge 
and its outer face also has the charge 
The final charge distribution on each face of shells is shown in figure. The expression for electric field is
given by 
for 
(radially outwards)
And 
for 
(radially inwards)
Note that the field in the outward direction is assumed to be positive.
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