The speed of a dc motor can be controlled by the variation of 1. armature volta

The speed of a dc motor can be controlled by the variation of
1. armature voltage. 2. field current. 3. armature circuit
resistance. 4. angle of brush shift.

Which of the statements given above are correct?
(a) 1,2 and 3 (b) 2,3 and 4
(c) 1,3 and 4 (d) 1,2 and 4

Question Posted / nawal kishor

1 Answers
3568 Views
I also Faced
E-Mail Answers

The speed of a dc motor can be controlled by the variation of 1. armature voltage. 2. field curren..

Answer / nawal kishor

(a) 1,2 and 3

Is This Answer Correct ?

16 Yes

0 No

Post New Answer

More Electrical Engineering Interview Questions

How can i run three phase bore well motor in 2 phase while i running it by using capacitor its ams increase to 23 ams the distance from motor to stater is 1600 feet

0 Answers Private,

How to model two generators into a single generator ? Eg. two generators connected to a bus, would like to model it as a single generator connected to a bus.

0 Answers

How to increase the kvah ?

1 Answers IGP,

Why is the diffrential protection in DG. What if the CT polarity is reversed while connecting for the same type of protection? How polarity can be made ok?

1 Answers

why lightining is not available in swith yards?

1 Answers

what is non uniform load

1 Answers

What types of motors are used in cranes

9 Answers BPDB, BUBT, CNH,

what is ripple ??? what is harmonics ?

3 Answers ABB,

How to Select transformer for 100HP motor plz... With calculation

2 Answers Rasandik,

WHY THE DIMENSION OF TWO SAME RATED MACHINE IS DIFFERENT ?