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Methods of Demagnetization:
1. A magnet loss it's magnetic properly when it is heated strongly.
2. Practically a magnet can be demagnetized by hammering when it is placed in the east west direction.
3. The most effective process is the use of alternating current. In this method the magnet is placed inside a solenoid in east west direction and alternating current from a transformer is passed by the solenoid. The magnet is pulled out of the solenoid whereas current is passing whereas current is passing by the solenoid. The alternating current reverse the polarity of the magnetic property is gradually lost.
What are the three particles that make up an atom? Atoms are made up of electrons, protons, and neutrons. The protons and neutrons are found together in the core of the atom, k
When an orchestra is tuning up, the first violinist plays a note at 256 Hz. a. What is the wavelength of that sound wave if the speed of sound in the concert hall is 340 m/s?
Radio waves and microwaves: What are microwaves and radio waves? Ans: Microwaves: 1. The wavelength ranges from 10μm to10m 2. Commonly produced by Electromagnetic osc
DISPLACEMENT: The change in the position of a body from its starting position to its final position is known as displacement. It is denoted by d ?.
P-Type Substance: When a small quantity of boron or Indium (group III A elements ) is added to silicon or Germanium, holes are formed in it and it becomes good conductor of pos
The shear force of a cantilever beam of length L carrying a uniformaly distributed load W Per unit length is how much at fixed end
EXPLANATION: Displacement is a physical quantity which defines the motion of a body from its starting position to its final position. It is a vector quantity and can be shown b
LECTURE NOTES ON ANGULAR VELOCITY
Is there a way that you can gain potential energy and release kentic energy in Volleyball?
what is elastic fatigue
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