If phase angle of open loop transfer function becomes - 180° at frequency ω1, then gain margin is equal to-A-|G(jω1)|B-C-1 + |G(jω1)|D--B-

Question

If phase angle of open loop transfer function becomes - 180&deg; at frequency &omega;1, then gain margin is equal to-A-|G(j&omega;1)|B-C-1 + |G(j&omega;1)|D--B-

APTITUDE CRACK · Accepted Answer

The correct option is  B   If gain is a, gain margin is . In this case gain is |G(jω1)|.

Automatic Control Systems

Q1: If phase angle of open loop transfer function becomes - 180° at frequency ω1, then gain margin is equal to

For help Students Orientation
Mcqs Questions

Quick Links

Newsletter

Automatic Control Systems

Q1: If phase angle of open loop transfer function becomes - 180° at frequency ω1, then gain margin is equal to

Solution

For help Students Orientation Mcqs Questions

For help Students Orientation
Mcqs Questions