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- Question 1 of 13
The highest frequency present in the signal x(t) is fmax. The highest frequency present in the signal y(t) = x*x(t) isCorrectIncorrect
- Question 2 of 13
The filter whose transfer function is of form G(s) = s*s – bs +c / s*s +bs+c isCorrectIncorrect
- Question 3 of 13
Let 3 + 4j be a zero of a fourth order linear phase FIR filter.The complex number which is not a zero of this filter isCorrectIncorrect
- Question 4 of 13
The bridge most suited for measurement of a four terminal resistance in range of .0001 ohm to .01 ohm isCorrectIncorrect
- Question 5 of 13
A mass psring damper system with force as input and displacement of the mass as output has a transfer function
G(s) = 1/(s*s+24s+900).A force input F(t) = 10 sin(70t) newtons is applied at time t = 0s.A beam from an optical stroboscope is focused on mass.In steady state the strobe frequency in hertz at which the mass appears to be stationery is (where pi is constant 3.14)CorrectIncorrect
- Question 6 of 13
A system with transfer function G(s) = 1/(s*s+1) has zero initial conditions.The percentage overshoot in its step response isCorrectIncorrect
- Question 7 of 13
The voltage Eo developed across a glass electrode for pH measurement is related to the temperature T by the relationCorrectIncorrect
- Question 8 of 13
An apparatus to capture ECG signals has a filter followed by a data acquisition system.The filter best suited for this application isCorrectIncorrect
- Question 9 of 13
The probability that a thermistor randomly picked up from a production unit is defensive is .01.The probability that out of 10 thermistors randomly picked up 3 are defective isCorrectIncorrect
- Question 10 of 13
The output frequency of an LC tank oscillator employing a capacitive sensor acting as the capacitor of the tank is 100 kHz.If the sensor capacitance increases by 10% the output frequency in kilo hertz becomesCorrectIncorrect
- Question 11 of 13
A signal is band limited to 0 to 12 kHz.The signal spectrum is corrupted by additive noise which is band limited to 10 to 12 kHz.Theoretically the minimum rate in kilohertz at which the noisy signal must be sampled so that uncorrupted part of the signal spectrum can be recovered isCorrectIncorrect
- Question 12 of 13
A beam of monochromatic light passes through two glass slabs of the same geometrical thickness at normal incidence.The refractive index of the first slab is 1.5 and that of second 2.0.The ratio of the time of passage of the beam through the first to second slab isCorrectIncorrect
- Question 13 of 13
The resolving power of a spectrometer consisting of a collimator a grating and a telescope can be increased byCorrectIncorrect