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Explain Squirrel- cage rotor
Squirrel- cage rotor having of a slotted laminated core of sheet-steel. The slots of the rotor are not always parallel to the slots on the stator, but they are given a twist called as skew. (Skew decreases noise, eliminates cogging and enhances the starting torque). The windings are placed in the slots. Every slot carries a thick copper or aluminum bar. These bars are short-circuited on either end by a solid copper or aluminum ring known as end-ring. Most of the 3-phase induction motors are of squirrel cage type, due to its rotor is simple and rugged in construction and is cheaper.
Suppose you blow the top of a bottle and hear a resonance sound (standing wave). The length of the bottle is about 25cm. If the speed of sound in air is about 340 cm/sec., what i
Amplitude: The maximum displacement of a body on either side of the mean position during simple harmonic motion is known as amplitude and it is shown by x.
Example 1:How far in meters does light travel in one year? Solution: 299,792,458m x 31,557,600s =9.461 x 10 to the power of15 Question, while i understand the above, why can we
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
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Q. Can you check Earth fault with Double Test Lamp? Ans: Double test lamp having three leads. Centre lead could be connected to earth, left side lead should be connected on pos
A cheetah can accelerate from rest to a speed of 27.8 m/s in 5.20 s. The cheetah can carry this speed for 9.70 s before it quickly runs out of energy and stops. What distance does
O rdinary glass is a good insulator but is too brittle to be used for anything but scientific instrument part s, accumulator container and for certain other special purposes. It is
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