A motor is coupled to a load through gear ratio n. If T is the motor torque, Jm and JL are moment of inertia of rotor and load, then torque to inertia ratio referred to motor shaft is

A motor is coupled to a load through gear ratio n. If T is the motor t

1.	A motor is coupled to a load through gear ratio n. If T is the motor torque, Jm and JL are moment of inertia of rotor and load, then torque to inertia ratio referred to motor shaft is
A.	<img src="/_files/images/electronics-and-communication-engineering/automatic-control-systems/13-44-1.png">
B.	<img src="/_files/images/electronics-and-communication-engineering/automatic-control-systems/13-44-2.png">
C.	<img src="/_files/images/electronics-and-communication-engineering/automatic-control-systems/13-44-3.png">
D.	<img src="/_files/images/electronics-and-communication-engineering/automatic-control-systems/13-44-4.png">
Answer» D. <img src="/_files/images/electronics-and-communication-engineering/automatic-control-systems/13-44-4.png">