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What is a DC motor and its type?
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Why back emf used for a dc motor? highlight its significance.

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State the function of strain gauge. Give its types and explain the working of any one type of it.

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Draw optical type pyrometer and list its advantages.

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Draw the circuit diagram of a short shunt and long shunt type of composite self excited DC generator.

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Discuss the energy conservation opportunities in induction motor and its need.

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Explain hunting in synchronous motor. State its causes and effects.

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What type of single-phase induction motor would you use for specific applications like a ceiling fan or wet grinder?

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Draw the circuit diagram of DC static circuit breaker and give its operation.

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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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What is the difference between a stepper motor and a DC motor?

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What is the difference between a brushed and brushless DC motor?

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What is the difference between a DC motor and a generator?

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What is the difference between a motor and a generator in DC machine?

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What is the difference between DC motor and DC generator?

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Give one application each for AC and DC servo motor.

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Compare DC Motor and DC Generator.
Answer : A **DC motor** and a **DC generator** are both electrical machines that operate on the same principle of electromagnetic induction, but they serve different purposes. Here's a simple ... one produces motion from electricity (motor), while the other generates electricity from motion (generator)....

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What is the difference between AC generator and DC motor?

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What is the difference between DC generator and electric motor?

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How does the temperature rise in an induction motor affect its performance?

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How does a coreless DC motor differ from a conventional DC motor?

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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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How does a DC motor work?
Answer : A DC motor works based on the basic principle of electromagnetism. When an electric current passes through a conductor (like a wire), it creates a magnetic field around that conductor. This is the basic ... the armature keeps turning in the same direction. That's the basic working of a DC motor!...

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