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A bulb is made using two filaments. A switch selects whether the filaments are used individually or in parallel. When used with a 15 V battery, the bulb can be operated at 5 W, 10 W or 15 W. What should be the resistances of ...
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Happy New year everyone. So, I recently watched Dhoom 3 and came across this scene where Amir Khan, and Amir Khan are on a launch, and are facing Abhishek Bachchan and Uday Chopra. Then they decide to fuse or join their bikes ...
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Two swimmers leave point A on one bank of a river to reach point B on the other bank. One of the swimmers swims along straight line AB while the other swims perpendicular to the direction of flow of the stream and walks the d ...