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An ac servomotor exhibits
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- two time constants which depend upon rotor inertia and mechanical friction
- two time constants which depend upon rotor inertia, the slope of its torque speed characteristic and mechanical friction.
- a dominant time constant which depends upon rotor inertia and mechanical friction
- a dominant time constant which depends upon rotor inertia, the slope of its torque-speed characteristic and mechanical friction.
Correct Option: D
NA