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What is the theory of DC motor?
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What is the theory of stepper motor?
Answer : A **stepper motor** is a type of electric motor that divides a full rotation into several steps, allowing it to move in precise increments. Unlike conventional motors that rotate continuously, ... which generates a magnetic field that interacts with the rotor to make it rotate in small increments....

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What is the working principle of a brushless DC motor?

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What is the purpose of a DC link in motor drive systems?
Answer : The **DC link** in motor drive systems plays a crucial role in connecting the **AC supply** (like from a power grid) to the **DC bus** and then to the **motor**. Here's its ... between the power supply (AC) and the motor, providing smooth, controlled, and reliable power to the motor drive system....

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What is the function of a commutator in a DC motor?

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Give two basic speed control scheme of DC shunt motor?

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What is the basic principle of DC motor?
Answer : The basic principle of a **DC motor** is based on **electromagnetic induction**-specifically, how a current-carrying conductor (like a wire) placed in a magnetic field experiences ... supply) into mechanical energy (rotation) using the interaction between magnetic fields and electric currents....

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Explain with the help of a neat diagram the following methods of speed control for a DC series motor: (i) Field diverter method. (ii) Tapped field method.

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Explain the necessity of a starter for a DC motor. State various types of DC motor starters.

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State at least one function and the material used for the following parts of a DC motor.

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State the modifications to be done in dc series motor to work satisfactorily as ac series motor. State applications of ac series motor.

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What is the effect of a decrease in the load for a DC motor?

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What is the effect of an increase in the load for a DC motor?

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