ECE :: Exam Questions Paper
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For a second-order system with the closed-loop transfer function
The settling time for 2-percent band, in seconds, is : -
An open loop transfer function is given by
has -
The current i(t) through a 10 Ω resistor in series with an inductance is given by i(t) = 3 + 4 sin (100t + 45°) + 4 sin (300t + 60°) Amperes. The RMS value of the current and the power dissipated in the circuit are
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The cut off voltage for JFET is 5 V. The pinch off voltage is __________ .
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Assertion (A): Conductors do not permit propagation of waves more than a short distance into the conductor at microwave frequencies.
Reason (R): The relaxation time constant for conductors is much small than the period of centimetric EM wave.
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...(i)
...(ii)
.
.
V 
, where 
= relaxation time.