[10]A 3-phase squirrel cage induction motor supplied from a balanced 3-phase source drives a mechanical load. The torque-speed characteristics of the motor (solid curve) and of the load (dotted curve) are shown. Of the two equilibrium points A and B, which of the following options correctly describes the stability of A and B? [GATE 2009]

[10]A 3-phase squirrel cage induction motor supplied from a balanced 3

1.	[10]A 3-phase squirrel cage induction motor supplied from a balanced 3-phase source drives a mechanical load. The torque-speed characteristics of the motor (solid curve) and of the load (dotted curve) are shown. Of the two equilibrium points A and B, which of the following options correctly describes the stability of A and B? [GATE 2009]
A.	A is stable B is unstable
B.	A is unstable B is stable
C.	Both are stable
D.	Both are unstable
Answer» C. Both are stable