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 θ 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 θ be angular displacement of motor shaft. Then torque equation is
A.	[A].
B.	[B].
C.	[C].
D.	[D].
Answer» B. [B].