The speed of a motor falls from 1100 r.p.m. at no-load to 1050 r.p.m. at rated load. The speed regulation of the motor is

Q. The speed of a motor falls from 1100 r.p.m. at no-load to 1050 r.p.m. at rated load. The speed regulation of the motor is

A.            2.36%

B.            (6) 4.76%

C.            6.77%

D.            8.84%

Answer: (6) 4.76%