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Electromagnetism:
A temporary magnet formed by winding a coil of insulated copper wire around a piece of shift iron is known as electromagnet. When current is passed it behaves as magnet.
Uses:
Electromagnets are used in electric bells, loud speaker, telephone receiver, televisions, radio sets, motors, dynamos and generators.
What is Equatorial and polar diameter? The equatorial diameter. The equatorial diameter of the earth is 7920 miles in length and polar diameter is about 27 miles shorter than the
Q. Illustrate how do you compute shaft power? Answer:- Shaft power P = (2(pi) * (angular Speed in rpm) * (Torque at shaft))/ 60 Torque of a solid shaft is specified by
A 10 kilogram mass rests on a horizontal frictionless surface. A horizontal force of 5 Newtons is applied to the mass. After the force has been applied for 1 second, the
What are the types of compound pendulum? ?
how cah i get the band gap by considering a wavefunction including bloch function
Safe and Sound Ltd is a public company whose business is the manufacture and sale of home security systems. Only 100,000 shares have been issued: Kate Smith and her sister Sara
An air dielectric is changed with a glass dielectric inside a capacitor of fixed dimensions. Relatively speaking, what will occur to the quantity of charge the capacitor can
Do not confuse units and dimensions. We can use dissimilar units to measure the same physical quantity. So, for example, you can calculate the mass in units of kilograms, poun
Step to improve Power Factor By using static capacitor: Static capacitor is usually used to better the power factor of the power system. As the capacitor draws leading curre
An inter metallic compound having the chemical formula A 3 B, where A represents a transition element and a crystal structure in which the B atoms are located as the corners and in
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