When the stator windings are connected in such a fashion that the number of poles are made half, the speed of the rotor of a synchronous motor Options: A . &nbspremains same as the original value B . &nbspdecreases to half the original value C . &nbsptends to becomes zero D . &nbspincreases to two times the original value

When the stator windings are connected in such a fashion that the number of pole

Question

When the stator windings are connected in such a fashion that the number of poles are made half, the speed of the rotor of a synchronous motor

Options:

A . remains same as the original value

B . decreases to half the original value

C . tends to becomes zero

D . increases to two times the original value

Answer: Option D

Submit Your Solution Below and Earn Points !

Next Question

Question 1. In which of the following motors the stator and rotor magnetic field rotate at the same speed ?....

Question 2. The speed of a synchronous motor....

Question 3. In a synchronous motor, the breakdown torque is....

Question 4. The angle between the rotating stator flux and rotor poles is called _____ angle.....

Question 5. A 3-phase synchronous motor is running clockwise. If the direction of its field current is reversed....

Question 6. Due to which of the following reasons a synchronous motor fails to pull into synchronism after applying D.C. field curre....fails to pull into synchronism after applying D.C. field current?

Question 7. When the rotor speed, in a synchronous machine, becomes more than the synchronous speed during hunting, the damper bars ....than the synchronous speed during hunting, the damper bars develop

Question 8. The working of a synchronous motor is similar to....

Question 9. Power factor of a synchronous motor is unity when....

Question 10. In a 3-phase, 4-pole, 50 Hz synchronous motor, the frequency, pole number and load torque all are halved. The motor spee....load torque all are halved. The motor speed will be

Chapter 1 - GLOBAL STEEL SCENARIO & INDIAN STEEL INDUSTRY Part 1 : (13-04-2024) INDUSTRY AND COMPANY AWARENESS (ICA)

Direction Sense Test Part 1 Reasoning (Hindi)

Chapter 1 - RMHP / OHP / OB & BP Part 1 : (14-02-2024) GPOE

Cube & Cuboid Part 1 Reasoning (Hindi)

Data Interpretation (DI) Basic Concept Reasoning (Hindi)

Counting Figures Part 1 Counting Of Straight Lines Reasoning (Hindi)

Sail E0 free webinar Webinars

Real Numbers Part 7 Class 10 Maths

Real Numbers Part 1 Class 10 Maths

Polynomials Part 1 Class 10 Maths

Pie Chart - Test Paper 1 Data Interpretation Reasoning & DI

Tabulation - Test Paper 2 Data Interpretation Reasoning & DI

Test Paper 1 Direction Sense Test Reasoning & DI

ICA , RDIC,GFM Free Modal Test Paper - Non - Technical Branch Old Syllabus 2022 - SAIL Junior Officer E0

GFM Combined 1 Free Revision Test SAIL JO E-0