Indicate the parts of DC motor illustrated below.

Q: Question 9 The combined losses occuring in armature and field circuit of a DC motor is known as the…

A: DC motors experience some losses when converting electrical power to mechanical power. mechanial…

Q: what is the Speed Regulation of a DC motor

A:

Q: 8. In what two ways can the speed of a dc motor be varied? a) b) 9. Of the two methods given in (8):…

A: 8)  The two way we can varied the speed of DC motor are:- a) field controlled :- In this method we…

Q: (b) List three methods that can be used to control the speed of DC motors. Explain why one of the…

A: NOTE: “Since you have asked multiple question, we will solve the first question for you. If you want…

Q: Q3) Why can't run a (Series - DC motor) without a load??

A: Series motor never started at no load.

Q: Differentiate DC generators and DC motors with description.

A: DC series machine- Here, armature winding and field winding both are in series with each other. DC…

Q: Q-1: SPEED CONTROL OF SEPARATELY EXCITED DC MOTOR By field resistance speed control Change the…

A: Need to find new speed

Q: torque available at the shaft of DC series motor is less than the torque developed in the armature…

A: When the armature power is applied to rotate the shaft of the DC series motor, some power loss…

Q: Calculate the torque in newton-meter developed by a 440-V dc motor having an armature resistance of…

A: Considering the given motor as series motor and it can be shown as from the given information as…

Q: Q1) How can run dc motor from right to left? Explain all cases.

A: For changing the direction of rotation of a DC motor one should understand how motors start…

Q: What is the difference between Self Excited and Separately Exited DC motor?

A: In Self excited DC motor, the current required to generate flux in field winding is supplied by the…

Q: Consider a shunt-connected dc motor. What are the names of the two windings? Which is on the stator?…

A: There are two windings in DC motors; Field winding which is used to setting up the magnetic field…

Q: d- How do you can control their speed? State their applications. e- Compare between the brushed and…

A: (d) In speed control of DC Motor, There are three method to control the speed. Field weakning or…

Q: What are the methods of speed control of the DC motor in Electrical Engineering? Explain them.

A:

Q: If the voltage applied across the armature of a DC shunt motor is increased by 5% keeping its load…

A: generated emf in armature  E = flux ×speed×no. of conductors60 ×no. of polesno. of parallel paths…

Q: 1. Why is DC Motor current so high?  2. How can we reverse the direction of rotation of a DC motor?…

A:

Q: the relation between armature and field currents in a series connected DC motor is O It = If + la O…

A:

Q: A 250 volt DC shunt motor has armature resistance of 0.25 ohm on load it takes an armature current…

A: In this answer we will find the new speed of the motor using the formulae as explained below.

Q: Q6/. The armature torque of a dc motor is a function of its a. Field flux alone • b. Armature…

A:

Q: Explain torque and armature current characteristics of DC motor!

A:

Q: Explain the speed control of DC shunt motor

A: According to the question, Explain the speed control of DC shunt motor.

Q: (а) Explain the three (3) main differences between AC and DC motors?

A: AC motors :- Alternating current DC motors :- direct current motors.    Here we are explaining 3…

Q: Explain an experiment in which the speed of a DC motor could be controlled in parallel

A: Please find your answer below in step 2

Q: discuss how the dc motor is used in electric toothbrush

A: Electric toothbrush: It is a toothbrush that uses rapid automated bristle movements, such as…

Q: Derive an expression for armature torque of a dc motor in terms of back emf, armature current and…

A: we need to derive an expression for armature torque.

Q: List of Advantages and disadvantages of DC motor used for Elevator

A: Given  List of Advantages and disadvantages of DC motor used for Elevator.

Q: (a) Describe a single wire DC motor with the help of a diagram.

A:

Q: Determine the back emf generated in the dc shunt motor if it takes 250 V, 41 A current while running…

A: Determine the back emf generated in the dc shunt motor if it takes 250 V, 41 A current while running…

Q: The relation between armature torque and armature current of a DC motor is Parabolic Linear Inverse…

A: From the DC motor characteristics

Q: Sketch the torque versus speed characteristic for a shunt-connected dc motor. What happens to the…

A: Given:  The torque versus speed characteristic for a shunt-connected dc motor. What happens to the…

Q: 2. What are the different types of dc motor? 3. What is the basic principle of working of DC motor?

A:

Q: Compare the Universal Motor operating characteristics on AC and DC and list the major differences.

A: According to the question we need to Compare the Universal Motor operating characteristics on AC and…

Q: a)Explain the speed control methods of direct current motor. b)Compare linear current series motor,…

A: For a) Speed control of a DC motor is either done manually by the operator or by employing an…

Q: 1- What will happen if there is no counter emf in DC motor?

A: As per the guidelines, we supposed to answer one question at a time so please ask other questions…

Q: 4. Why Is The Starting Current High In A Dc Motor?

A: Armature resistance of DC motor is in range of 0.1 to 0.3 ohms so when connected to supply voltage…

Q: PLEASE ANSWER QUICKLY

A: The main differences between AC and DC motors are, 1. The AC(Alternating Current) motors works on AC…

Q: ) Describe a single wire DC motor with the help of a diagram.

A:

Q: Question 3:7 Discuss improvements that could be made to both motors. *Discuss improvements that…

A: An electric motor (sometimes known as the electrical motor) is a mechanism that transforms…

Q: c) Discuss how armature resistance could be used to control the speed of a DC motor.

A:

Q: - The speed of dc shunt motor can be varied by: a) The voltage V applied to armature. b) The…

A: If we change applied voltage to the armature of DC shunt motor it will directly reflect on the speed…

Q: The current drawn by the 230 V DC motor of armature resistance 0.5 ohm and back emf 200 V is ?

A: Given, DC motor having Terminal voltage, V= 230 V Armature resistance, Ra= 0.5 ohm Back EMF, Eb= 200…

Q: For a shunt DC motor, if the field circuit is open, what will happen? Why? A series DC motor gives…

A:

Q: Q1.State and discuss briefly of the various methods of speed control of Linear Motor? Q1.Sketch a…

A: Electrical machines can be either generator or motors. They can be either Ac machines or DC…

Q: Report 1- Sketch speed (y-axis) torque (x-axis) characteristics of compound DC motor for three…

A: Hello. Since you have posted multiple questions and not specified which question needs to be solved,…

Thermistors

A thermistor is a special type of resistor whose resistance is more temperature-dependent than standard resistors.  The resistance of the thermistor decreases with increasing temperature. This is the basic principle of thermistors. This allows the thermistor circuit to detect very small temperature changes that cannot be observed with the Resistance temperature detectors (RTDs) or the thermocouples. Since the resistance of a thermistor is temperature dependent, it can be connected to an electrical circuit to measure body temperature. This high sensitivity to temperature changes makes thermistors very useful for accurately controlling and calibrating temperature measurements. In general, resistance increases with increasing temperature in most metals, but thermistors react negatively.