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1. what happens when a unchargedbody comes i contact with a charged body?
2. Twelve wires, each of resistance r,are connected to form a skeleton cube. Find the equivalent resistance between the two diagonally opposite corners of the cube.
3. Twelve wires, each of resistance r,are connected to form a skeleton cube. Find the equivalent resistance between the two corners of the same edge of the cube
4. Please explain me how to calculate tension in a catenary wire at different points (without using calculus)
5. In vectors, what is i^ + j^+ k^?
6. From where does charges arise in electrons and protons?
7. What is the difference between viscosity and elasticity?
8. A 3-dimensional space consists of how many planes?
9. A hyperspace consists of how many planes?
10. In series connection of resistors, does the current remains unchanged?
11. Why does Nichrome not used as the filament in an incandescent lamp?
12. How to check the correctness of equation s=u+0.5a(2n-1) using dimensional analysis?(Please describe)
13. In law of conservation of linear momentum derivation,why force acting on body B by A is taken as product of mass and acceleration of "B" and not "A" instead of "B"?