PE Control Systems Sample Questions and Solutions PDF Download - 7

MCQ 31: Amplifier characterized by very high input impedance , very low output impedance and high gain is called

1. subtractor
2. divider
3. integrator
4. operational amplifier

MCQ 32: Locus of constant closed loop magnitude and closed loop phase frequency response for unity feedback systems plotted on the open loop dB versus phase angle plane in

1. p chart
2. Nichols chart
3. time series chart
4. u chart

MCQ 33: Mathematical equation where a fraction with n factors in its denominator is represented as the sum of simpler fractions is called

1. differential fraction expansion
2. ordinary differential expansion
3. partial differential expansion
4. partial fraction expansion

MCQ 34: Law states that voltage is directly proportional to current in a circuit is called

1. Ohm's Law
2. Newton's Law
3. Gauss's Law
4. Kirchhoff's Law

MCQ 35: Frequency at which phase frequency response plot equals to 180° is called

1. gain frequency
2. gain margin frequency
3. damped frequency
4. critical frequency