Latest IIT-JEE Aptitude Question SOLUTION: A thin uniform annular disc (see figure) of mass M has outer radius 4R and inner radius 3R. The work required to take a unit mass from point P on its axis to infinity is

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Previous Question: Consider a thin square sheet of side L and thickness t, made of a material of resistivity ρ. The resistance between two opposite faces, shown by the shaded areas in the figure is (A) directly proportional to L (B) directly proportional to t (C) independent of L (D) independent of t. Next Question: Incandescent bulbs are designed by keeping in mind that the resistance of their filament increases with the increase in temperature. If at room temperature, 100 W, 60 W and 40 W bulbs have filament resistances R100, R60 and R40, respectively, the relation between these resistances is

(#M40027886) IIT-JEE question 2010 question Keep an EYE

A thin uniform annular disc (see figure) of mass M has outer radius 4R and
inner radius 3R. The work required to take a unit mass from point P on its
axis to infinity is: Asked In IIT-JEE MAN (10 years ago); Unsolved; Is this Puzzle helpful? (1) (0) Submit Your Solution

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Previous Question: Consider a thin square sheet of side L and thickness t, made of a material of resistivity ρ. The resistance between two opposite faces, shown by the shaded areas in the figure is (A) directly proportional to L (B) directly proportional to t (C) independent of L (D) independent of t. Next Question: Incandescent bulbs are designed by keeping in mind that the resistance of their filament increases with the increase in temperature. If at room temperature, 100 W, 60 W and 40 W bulbs have filament resistances R100, R60 and R40, respectively, the relation between these resistances is

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