Gate EE-2020 Question Paper With Solutions

Q.34 A 250 DC shunt motor having armature resistance of 0.2 Ω and field resistance of 100 Ω.It draws a no load current of 5 A at 1200 rpm. The brush drop is 1 V per brush at all operating conditions. If motor draws 50 A at fulled load and flux per pole is decreased
by 5% because of armature reaction. The speed of the motor at full load is ____ rpm.

(A) 900

(B) 1000

(C) 1200

(D) 1220

Answer: (D)

Explanation:

Gate EE-2020 Question Paper With Solutions


Learn More:   Gate CS-2006 Question Paper With Solutions

LEAVE A REPLY

Please enter your comment!
Please enter your name here