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ROTOR:
(i) squirrel -cage rotor
(ii) phase-wound or wound-rotor
90% of Induction Motor are squirrel cage type due to this type of rotor has a easiest and the most rugged construction and is almost indestructible. Rotor having of a cylindrical laminated core with parallel slots for carrying rotor conductors. Rotor bars are enduringly short circuited on themselves;
It is a mathematical explanation of the disturbance prepared by a ray. For a string, the wave function is a distance for sound rays. It is a density or pressure fluctuation while f
What is Attenuation? Attenuation: Attenuation is a reduction within the amplitude and intensity of a signal. This is a significant property into optical communications. This
The SI unit of pressure is the: a) Torr b) Dyne per centimeter squared c) Atmosphere d) Pascal Ans: The SI unit of pressure is the Pascal.
Prism: A transparent refractive device having of three rectangular and two refractive surfaces is known as prism. N = Sin (A + Dm) /2 Sin A/2 Where a is
The free surface of a liquid always has a tendency to contract and possess minimum surface area. If we want to enhance the surface area of the liquid, work has to be done. This wor
An electron is constrained to the central perpendicular axis of a ring of charge of radius 2.2 m and charge 0.015 mC. See Section 22-6. Suppose the electron is released from rest a
(a) A current of 15A fl ows through a load having a resistance of 4Ω . Determine the power dissipated in the load. (b) A wattmeter, whose current coil has a resistance of
Two resistors are connected in series across an 18V supply and a current of 5A ?ows. If one of the resistors has a value of 2.4Ω determine (a) the value of the other resist
Question: If you chafe a rubber rod with rabbit fur thus giving the rod a negative charge and bring the rod near a few bits of neutral paper the rod will attract the bits of pa
Q. What is microwave oven? How it works? Microwave oven It is utilized to cook the food in a short time. When the oven is manage the microwaves are generated which in turn
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