Spherical cavity of spherical conductor has point A inside conductor at distance r from charge Q & point B is also inside conductor at distance 2r from charge Q, then
A
VA:VB=2:1
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B
VA:VB=1:2
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C
VA:VB=4:1
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D
VA:VB=1:1
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Solution
The correct option is DVA:VB=1:1 E inside conductor =0 (in static condition) ΔV=E.Δr=0(Δr)=0 VA=VB