Q. For a closed loop system given below. The imaginary axis intercept of the root loci will be

View solution

Q. The polar plot of

View solution

Q. A FET is a __________ controlled device whereas a bipolar transistor is a __________ controlled device.

View solution

Q. In Bode diagram (log magnitude plot) the factor 1/jω in the transfer function gives a line having slope

View solution

Q. A negative feedback system has G(s) = 1/(s+1) and H(s) = K/s(s+2). The closed loop system is stable for

View solution

Q. Mechanical impedance is the ratio of

View solution

Q. Whether a linear system is stable or unstable that it

View solution

Q. A lag compensator is essentially a

View solution

Q. Stepper motors find applications in

View solution

Q. For type 2 system, the magnitude and phase angle of the term (jω)² in the denominator, at ω = 0, are respectively

View solution

Q. In an integral controller

View solution

Q. The phase margin and damping ratio have no relation.

View solution

Q. For the transport lag G(jω) = e^(-jωT), the magnitude is always equal to

View solution

Q. The log magnitude curve for a constant gain K is a

View solution

Q. If a system is to follow arbitrary inputs accurately the bandwidth should be

View solution

Q. Assertion (A): Potentiometers can not be used as error detectors in position control systems.

Reason (R): The resolution of a potentiometer places an upper limit on its accuracy

View solution

Q. Bellows converts

View solution

Q. Assertion (A): The steady state response, of a stable, linear, time invariant system, to sinusoidal input depends on initial conditions.

Reason (R): Frequency response, in steady state, is obtained by replacing s in the transfer function by jω

View solution

Q. Bode magnitude plot is drawn between

View solution

Q. First column elements of Routh's tabulation are 3, 5, -3/4, 1/2, 2. It means that there

View solution