UPPCL AE 2019: Technical Quiz 10

The state model of a system is given as

Find a real value of k for which the system is critical damped.

If resistance R₁ is 10 KΩ, V₂ = -2 V, V₁ = -3 V then the current I through the circuit will be (Use constant voltage drop model of diode and take V_D = 0.5 V)

Which of the following statements is/are correct about Analog to Digital converters (ADCs).
(i) Flash type ADCs are fastest
(ii) In successive approximation type ADCs conversion time depends on magnitude of analog voltage.
(iii) Counter type ADCs has fixed conversion time
(iv) Dual-slope type ADCs are slowest

Calculate the value of the multiplier resistor (in Ω) for a V_rms sinusoidal ac range of the voltmeter shown in fig. The forward resistance of diode 5 Ω

A 235V ampere hour type meter having meter constant of 60A-S/revolution is connected to 235V dc supply. If the meter complete 313 revolutions in 13 minutes when carrying 16A, then % error of the meter above (or) below the original calibration?

Determine the resonance frequency in the circuit shown in the figure

The propagation constant of the transmission line is 0.90 × 10^-3 + i 20 × 10^-3. The wavelength of travelling wave is

The power plant has a maximum demand of 15 MW. The load factor is 60% and the plant factor is 30%. The operating reserve (in MW) is