What is a DC motor and its type?

Why back emf used for a dc motor? highlight its significance.
Answer : Back EMF (Electromotive Force) in a DC motor is the voltage generated by the motor's armature as it spins within a magnetic field. It is called "back" because it opposes the ... s current and power consumption, ensuring the motor runs smoothly without drawing excessive power or getting damaged....

View solution

0 like 0 dislike

3 views 1 answer

in Electrical Engineering

What is multiplexing and its type?

What is multiplexing and its type?
Answer : Multiplexing is a technique used to combine multiple signals or data streams into one signal over a shared medium, like a communication channel. The main goal of multiplexing is to optimize the use of the ... system, such as bandwidth, complexity, and the type of medium (electrical, optical, etc.)....

View solution

0 like 0 dislike

6 views 1 answer

in Electrical Engineering

What is fuse and its type?

View solution

0 like 0 dislike

4 views 0 answers

in Electrical Engineering

What is fiber and its type?

What is fiber and its type?
Answer : Fiber refers to a type of material that consists of long, thin strands. It can be either natural or synthetic, and its main characteristic is that it has a high length-to-diameter ratio. Fibers are ... materials like cotton or nylon, or in tech, it could refer to cables that send data using light....

View solution

0 like 0 dislike

8 views 1 answer

in Electrical Engineering

What is diode and its type?

What is diode and its type?
Answer : A **diode** is a basic electronic component that allows current to flow in only one direction. It acts like a one-way valve for electric current. When current flows in the ... diode has specific applications based on its characteristics like voltage, speed, and behavior under different conditions....

View solution

0 like 0 dislike

5 views 1 answer

in Electrical Engineering

What is node and its type?

What is node and its type?
Answer : In electrical circuits and systems, a **node** refers to a point where two or more circuit elements (like resistors, capacitors, or voltage sources) are connected together. It is essentially a junction where multiple ... like **Kirchhoff's Current Law (KCL)** or **Kirchhoff's Voltage Law (KVL)**....

View solution

0 like 0 dislike

5 views 1 answer

in Electrical Engineering

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

View solution

0 like 0 dislike

3 views 0 answers

in Electrical Engineering

Draw optical type pyrometer and list its advantages.

Draw optical type pyrometer and list its advantages.
Answer : An **optical pyrometer** is an instrument used to measure the temperature of an object without making physical contact with it. It works by detecting the amount of infrared radiation emitted by the object ... polished metals). Let me know if you need more details or further explanation on any part!...

View solution

0 like 0 dislike

4 views 1 answer

in Electrical Engineering

What is load and its type?

View solution

0 like 0 dislike

3 views 0 answers

in Electrical Engineering

What is a stepper motor and its application?

What is a stepper motor and its application?
Answer : A **stepper motor** is a type of electric motor that moves in precise steps or increments. Unlike a regular DC motor, which spins continuously when powered, a stepper motor moves ... distance, especially in situations where feedback is not necessary, and cost-effective solutions are preferred....

View solution

0 like 0 dislike

5 views 1 answer

in Electrical Engineering

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

View solution

0 like 0 dislike

3 views 0 answers

in Electrical Engineering

What is induction motor and its principle?

View solution

0 like 0 dislike

3 views 0 answers

in Electrical Engineering

What is motor and its function?

View solution

0 like 0 dislike

6 views 0 answers

in Electrical Engineering

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

View solution

0 like 0 dislike

5 views 0 answers

in Electrical Engineering

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

View solution

0 like 0 dislike

4 views 0 answers

in Electrical Engineering

What is transformer its type?

View solution

0 like 0 dislike

3 views 0 answers

in Electrical Engineering

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

What type of single-phase induction motor would you use for specific applications like a ceiling fan or wet grinder?
Answer : When choosing a single-phase induction motor for specific applications like a **ceiling fan** or a **wet grinder**, you need to consider factors like starting torque, efficiency, and ... the specific needs of the application, balancing factors like starting torque, efficiency, and load handling....

View solution

0 like 0 dislike

6 views 1 answer

in Electrical Engineering

What is DC and its function?

What is DC and its function?
Answer : **DC (Direct Current)** is a type of electrical current that flows in one direction only. Unlike **AC (Alternating Current)**, where the direction of current changes periodically, DC maintains ... is used where a steady and constant voltage is needed for efficient operation of devices and systems....

View solution

0 like 0 dislike

4 views 1 answer

in Electrical Engineering

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

View solution

0 like 0 dislike

4 views 0 answers

in Electrical Engineering

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

State at least one function and the material used for the following parts of a DC motor.
Answer : Here are the functions and materials for key parts of a DC motor: 1. **Armature**: - **Function**: The armature is the rotating part of the motor. It carries the current through the ... to minimize energy losses and improve efficiency. Let me know if you'd like more details on any part!...

View solution

0 like 0 dislike

4 views 1 answer

in Electrical Engineering

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

View solution

0 like 0 dislike

4 views 0 answers

in Electrical Engineering

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

View solution

0 like 0 dislike

3 views 0 answers

in Electrical Engineering

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

View solution

0 like 0 dislike

3 views 0 answers

in Electrical Engineering

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

What is the difference between a motor and a generator in DC machine?
Answer : In a DC machine, both motors and generators are based on the same basic principle, which is electromagnetic induction. However, they work in opposite ways. Here's the difference: ### 1 ... electrical energy to produce motion, while a DC generator uses mechanical energy to produce electrical power....

View solution

0 like 0 dislike

5 views 1 answer

in Electrical Engineering

What is the difference between DC motor and DC generator?

View solution

0 like 0 dislike

6 views 0 answers

in Electrical Engineering

What is DC motor and how it works pdf?

What is DC motor and how it works pdf?
Answer : I can create a PDF explaining what a DC motor is and how it works. I'll provide a simple explanation here and then convert it into a PDF for you. ### DC Motor: Overview and ... it using the link below: [Download DC Motor Working Principle PDF](sandbox:/mnt/data/DC_Motor_Working_Principle.pdf)...

View solution

0 like 0 dislike

8 views 1 answer

in Electrical Engineering

Which motor uses both AC and DC?

View solution

0 like 0 dislike

4 views 0 answers

in Electrical Engineering

Give one application each for AC and DC servo motor.

View solution

0 like 0 dislike

4 views 0 answers

in Electrical Engineering

Compare DC Motor and DC Generator.

View solution

0 like 0 dislike

3 views 0 answers

in Electrical Engineering

What is difference between DC motor and generator?

View solution

0 like 0 dislike

2 views 0 answers

in Electrical Engineering

What is the difference between AC generator and DC motor?

View solution

0 like 0 dislike

9 views 0 answers

in Electrical Engineering

What is the difference between DC generator and electric motor?

View solution

0 like 0 dislike

5 views 0 answers

in Electrical Engineering

What is stepper motor.what is its uses?

View solution

0 like 0 dislike

4 views 0 answers

in Electrical Engineering

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

View solution

0 like 0 dislike

4 views 0 answers

in Electrical Engineering

Draw and explain a fixed dome type biogas plant.

View solution

0 like 0 dislike

1 view 0 answers

in Electrical Engineering

What is a brushless DC motor?

What is a brushless DC motor?
Answer : A **brushless DC (BLDC) motor** is a type of electric motor that operates without the use of brushes. In traditional DC motors, brushes are used to transfer electricity to the ... motor that uses electronic control instead of mechanical brushes for smoother, quieter, and longer-lasting operation....

View solution

0 like 0 dislike

7 views 1 answer

in Electrical Engineering

What is a DC motor?

View solution

0 like 0 dislike

2 views 0 answers

in Electrical Engineering

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

View solution

0 like 0 dislike

4 views 0 answers

in Electrical Engineering

What is the working principle of a brushless DC motor?

View solution

0 like 0 dislike

2 views 0 answers

in Electrical Engineering

How does a brushless DC motor controller work?

View solution

0 like 0 dislike

2 views 0 answers

in Electrical Engineering

How does a brushless DC motor operate?

View solution

0 like 0 dislike

2 views 0 answers

in Electrical Engineering

What is the purpose of a DC link in motor drive systems?

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 different sections of the drive, mainly the **rectifier** (which converts AC to DC) and the ** ... and efficient operation of motor drive systems by stabilizing the power flow and facilitating effective energy management....

View solution

0 like 0 dislike

3 views 1 answer