Question

Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R
Assertion A: DC series motors are suitable for buses, trolleys and trains.
Reason R: DC series motors are variable speed motors.
In light of the above statements, choose the correct answer from the options given below

• A. Both A and R are true and R is the correct explanation of A
• B. Both A and R are true but R is NOT the correct explanation of A
• C. A is true but R is false
• D. A is false but R is true

Hint:

Always remember:
- DC Series Motor \(\rightarrow\) Used in Traction (high starting torque, speed drops as load increases).
- DC Shunt Motor \(\rightarrow\) Used in Lathes and Blowers (constant speed applications).

Answer 1

The Correct Option is A