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Reducing friction by an air stream
Cut out a disc of cardboard about 10 cm in diameter. With a red-hot pin, burn a hole by the centre. Saw a small cotton reel in half and glue the unique end of one half over the middle of the disc. Search a piece of bamboo or some other tube which just fits the hole in the reel. Push this into the neck of a small balloon, using cotton or a rubber band to protected the joint.
Friction by an air stream
What do you mean by dispersion of light? Write down the expression for the deviation produced by a thin prism?
Magnetic force on a moving charge Oersted also discovered that anytime a charge is moving in an area where a magnetic field exists, it experiences a force which is sometimes call
what is meant by lead time of scientific development
Write down the Maxwell's electromagnetic wave equations both in differential form.
Define Baron von Münchausen and Intergalactic Travel? Recently get archives of the late Baron von Münchausen brought to light some unpublished scientific papers. In one of them
the magnetic field at a dictance of 2cm from the axis of a straight conductor carrying current is 12mT.Find the currentin the conductor?
Coulomb: Coulomb is the fundamental unit of charge. It is explained as the charge required to obtain 9?109 newton of force among two equal charges separated at a distance of one m
The coefficient of friction between the load and the flat-bed trailer is 0.40. While traveling at 100km/h, the driver makes an emergency stop and the truck skids to rest in 90m. De
The signal which has only two values. I.e. either a constant high value of voltage or zero value is known as digital voltage signal
Applications of Superconductors - 1. Electrical Machines 2. Power Cables 3. Electro Magnets 4. Amplifiers 5. Cryotron 6. Magnetic Leviation 7. A 15 Phases
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