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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.
Shockley, Brattain and Bardeen won a Nobel Prize for what small invention? Ans: Shockley, Bardeen and Brattain won a Nobel Prize for small invention of transistor.
The nuclei have been separated on the basis of the number of protons (atomic number) or the total number of nucleons (mass number) as given below: (i) Isotopes: The atoms of ele
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Materials are an essential part of an engineering study. An engineer requires materials to provide shape to his concept and design. Selection of the right material job in the first
Conventional Current: Earlier scientists had no knowledge of the concept of electron, so the developed the convention, still in use, , that the direction of current is for appo
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Basic principles of spectrophotometry: An absorbance spectrophotometer is an instrument that measures the fraction of the incident light transmitted through a solution
Researchers found that a ________ is more important and is the key to losing weight rather than a popular one. A. Fad diet B. Counting calories diet C. Low-carb diet D. Stic
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