In an armature controlled dc motor let J be equivalent moment of inertia of motor and load, f0 be equivalent viscous friction coefficient of motor and load and be angular displacement of motor shaft. Then torque equation is

In an armature controlled dc motor let J be equivalent moment of inert

1.	In an armature controlled dc motor let J be equivalent moment of inertia of motor and load, f0 be equivalent viscous friction coefficient of motor and load and be angular displacement of motor shaft. Then torque equation is
A.	<img src="/_files/images/electronics-and-communication-engineering/automatic-control-systems/29-287-1.png">
B.	<img src="/_files/images/electronics-and-communication-engineering/automatic-control-systems/29-287-2.png">
C.	<img src="/_files/images/electronics-and-communication-engineering/automatic-control-systems/29-287-3.png">
D.	<img src="/_files/images/electronics-and-communication-engineering/automatic-control-systems/29-287-4.png">
Answer» B. <img src="/_files/images/electronics-and-communication-engineering/automatic-control-systems/29-287-2.png">