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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;
A body moving in the positive x direction passes the origin at time t=0. Between t=0 and t=1 second, the body has a constant speed of 24 meters per second. At t=1 second, the body
What is seebeck effect. Illustrate how thermo emf varies with temperature in a thermocouple, describe neutral and invertion temperature. What are Thomson effects and Peltier? D
example of rigid body
Write down differential equation of a forced oscillator related to an external periodic force. Set up the solution of it.
what are characteristics of simple harmonic motion
With the help of a neat and labelled diagram, describe the underlying principle and working of a moving coil galvanometer. What is the function of? (i) Uniform radial field
Phase advancers: Phase advancers are used to better the power factor of induction motors. The low power factor of an induction motor is because of the fact that its stator winding
A strip of aluminium of mass 40.7g is dropped into a beaker of dilute hydrochloric acid. Calculate the work done (in J) on the surrounding atmosphere (1atm pressure, 26.1 o C ) by
Questions: A capacitor is able to serve as which of the following? Answer: By classification a capacitor is a charge storage device. In storing charge a capacitor as we
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
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