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Electric Motor:
A device, which converts electric energy into mechanical energy is known as Electric Motor.
Factors on which the speed of Rotation of Motor Depends:
The speed of rotation of motor depends on the following factors.
1. Magnitude of current passing by the motor.
2. Strength of magnetic field.
3. Number of turns in the coil of the motor.
4. Permeability of its armature.
in a uniform electric field, the potential is 10v at the origin and 8v at each of the points (1,0,0),(0,1,0) and (0,0,1).Find the potential at the point (1,1,1).
Capacitor-start-capacitor-run single-phase motor : In this case, two capacitors are used one for preliminary and other for running purpose as shown. The capacitor used for prelimin
The capacitors can be classified on the basis of nature of value, type of dielectric material used and polarity. On the basis of nature of value: Fixed value capacitor
Q. What are de Broglie waves? Matter in motion should be accompanied by waves called de Broglie waves. de Broglie wavelength λ = h / mv
Electric Circuit: The path by which an electric current passed is known as an electric circuit. The electric appliances are known as resistance.
Q. Figure s (a) and (b) show refraction of a ray in air incident at 60°with the normal to a glass Answer According to the given figure for the glass-air interface:
write a comrehensive note on mass energa relation
composiotion of two simple harmonic motions ai right angles to each other nd having time period in the ratio 1:2
Maxwell's demon (J.C. Maxwell): A thought experiment demonstrating the concepts of entropy. We have a container of gas that is partitioned in two equal sides; each side is in
Freezing, condensation, and deposition are what kind of processes because heat is removed from matter as they occur
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