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Illustrates the Electric Motors?
An electric motor is basically the reverse of an electric generator. It is a machine which turns electrical energy - AC from the wall or direct current (DC) from a battery - into motion, usually the spinning of a spindle. Recall that an electric current produces a magnetic field around a wire carrying the current - something we call an electromagnet. To produce motion, we can cause the magnetic field created by the electromagnet to interact with a fixed magnetic field surrounding the electromagnet loop. By alternating the direction of the current in the wire loop of the electromagnet, we can reverse the magnetic poles. We can then use the alternating forces of attraction and repulsion between the electromagnet and the fixed magnetic field to turn the spindle.
types of lenses and their explanation
Illustrate briefly the significance of entropy? Determine the work done when 2 mole of an ideal gas expands isothermally and reversible from 10 atm. To 2 atm. Pressure at 27 0 C
BULK TECHNOLOGIES: THE bulk technologies are often known as wafer-based manufacturing. In other words in each of these approaches self-supporting wafers between 180 to 240 micro
It is worth noting that positive charges have lines of forces moving out from them and negative charges have lines of forces entering them.for attraction of charges one charge must
what is majority and minority charge carrier ?
if a big person and a small person run up the stairs in the same time, which of them develops the most power
What is a hypothesis for a Hooke''s Law experiment which was completed with a single, series and parallel spring arrangement?
Steps of working of Unijunction Transistor (i) When emitter circuit is closed through switch S but emitter voltage is reduced to zero, and a voltage V BB is applied between
Examples of pure and impure soectrum
What is a pure spectrum? provide an example. What do you mean by impure spectrum? show an example.
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