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Is a sewing needle magnetic or non magnetic? Answer:- When you purchase it in the store it isn't magnetized but if you rub it with a magnet it becomes magnetic.
Ammeter: An electromechanical instrument which is used to calculate the amount of current flowing by an electric circuit is known as an ammeter. It is modified form of a gal
Experiment with wat er Suspend a tin can about 8 cm deep and 12 cm in diameter as shown in the diagram. Pour about 3 cm of water into the can and twist the drill. Observe what
Derive an expression for the torque acting on a loop of N turns, area A, carrying current i, when held in a uniform magnetic field. With the help of ciruit, show how a moving coil
Anti ferromagnetic materials such as chromium have a small but positive susceptibility. They cannot possess any magnetization is the absence of an applied field, in contrast to fer
Q. What is efficiency of a transformer? Efficiency of a transformer is described as the ratio of output power to the input power. η= output power / input power
On the basis of mutual interactions or behavior of several materials in an external magnetic field, the materials are dividing in three basic categories. (i) Diamagnetic materi
can u eplain me it detailed ?
Question As-per to the law of reflection the angle of reflection is equal to the angle of incidence. An angle is at all times an angular separation between two planes a direct
Compton effect (A.H. Compton; 1923) An effect which demonstrates that photons (the quantum of electromagnetic radiation) contains momentum. At a stationary particle, a photon
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