Correct option is A. curved surface area A hollow cylinder has only curved surface area
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Q1
A hollow cylinder has only
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Q2
A hollow cylinder having external radius 8cm and height 10cm has total surface area of 338πcm2. Find the thickness of the hollow metallic cylinder.
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Q3
A long hollow cylinder has linear charge density lamda. What is the electric field at a radial distance r outside the cylinder?
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Q4
Which is false in case of a hollow cylinder?
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(d) Area of each end of a hollow cylinder = π(R2 − r2).
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Q5
A hollow cylinder (p=2.2×103Ω−m) of length 3cm has inner and outer diameter as 2mm and 4mm respectively. The resistance of the cylinder is