Definition
Report | Ankush asks : Area of cross-section of a solenoid is 1.2 x 10-3 m, its length is 0.3 m. It has 2000 turns over it. A coil having 300 turns is wound on its central part. If 2 ampere current changes its direction in 0.1 second then, what is the induced e.m.f.? |
Report | Rajeev vashisht be mba asks : Which two of the following topologies use a short cable length? 1. Bus 2. Tree 3. Star 4. Ring |
Report | Achu asks : A middle aged woman wears eye glasses with power of -5.5D for myopia. Her doctor prescribed a correction of +1.5D in the near vision portion of her bifocals.This is measured relative to the main part of the lens. (1)What is the focal length of her distant viewing portion of the lens? (2)What is the focal length of the near viewing portion of the lens? |
Report | Anurag asks : Two steel sheets each of length a1 and breadth a2 are used to prepare the surfaces of two right circular cylinders-one having volume v1 and height a2 and other having volume v2 and height a1.Then, (a) v1=v2 (b) a1v1=a2v2 (c) a2v1=a1v2 (d) v1/a1=v2/a2 |
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