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The term pure iron is meant a ferrous material with an extra low carbon content for example low carbon steel and electrolytic iron. In low carbon steel carbon content is less than 0.1%. By appropriate manufacturing technique high magnetic permeability and low coercive force can be obtained. However the resistivity of pure iron is very low by virtue of which it gives rise to large eddy current losses when operated at high flux densities in alternating magnetic fields.
why gravitational energy for a system of particles is found by first finding the gravitational energy between individual particles and then adding it up? Ans) It is a scalar qua
THE MAGNETIC CIRCUIT In an electric circuit, a current is established due to the existence of an electromotive force. In the same way, in a magnetic circuit, a flux is establis
Explain Ballast Volume Pressure? Two containers I and II prodigal with an ideal gas are connected by two small openings of the same area, A, through a ballast volume B. The tem
The total energy of a simple harmonic oscillator is 0.8 erg. What is its kinetic energy when it is midway between an extreme position and mean position?
what are they and how do you measure them
Can you explain lens maker's formula. Derive the mathematical expression for the effective focal length of two thin lenses in contact.
A rectangular surface (0.14 m x 0.39 m) is oriented in a uniform electric field of 440 N/C. What is the maximum possible electric flux through the surface?
Why is extended source use in Newtown ''s ring experiment?
Explain the significance of virtual ground in an operational amplifier? Ans: Significance of Virtual Ground: Fig. (a) illustrates the circuit diagram of basic Inverting Ampl
Phenomenon of interference of water waves 1. Arrange two identical adjacent pins (S1 and S2) vibrating in a ripple tank with the same frequency. 2. In the figure S and S ar
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