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- Question 1 of 13
##### 1. Question

The highest frequency present in the signal x(t) is fmax. The highest frequency present in the signal y(t) = x*x(t) is

CorrectIncorrect - Question 2 of 13
##### 2. Question

The filter whose transfer function is of form G(s) = s*s – bs +c / s*s +bs+c is

CorrectIncorrect - Question 3 of 13
##### 3. Question

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 is

CorrectIncorrect - Question 4 of 13
##### 4. Question

The bridge most suited for measurement of a four terminal resistance in range of .0001 ohm to .01 ohm is

CorrectIncorrect - Question 5 of 13
##### 5. Question

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
##### 6. Question

A system with transfer function G(s) = 1/(s*s+1) has zero initial conditions.The percentage overshoot in its step response is

CorrectIncorrect - Question 7 of 13
##### 7. Question

The voltage Eo developed across a glass electrode for pH measurement is related to the temperature T by the relation

CorrectIncorrect - Question 8 of 13
##### 8. Question

An apparatus to capture ECG signals has a filter followed by a data acquisition system.The filter best suited for this application is

CorrectIncorrect - Question 9 of 13
##### 9. Question

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 is

CorrectIncorrect - Question 10 of 13
##### 10. Question

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 becomes

CorrectIncorrect - Question 11 of 13
##### 11. Question

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 is

CorrectIncorrect - Question 12 of 13
##### 12. Question

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 is

CorrectIncorrect - Question 13 of 13
##### 13. Question

The resolving power of a spectrometer consisting of a collimator a grating and a telescope can be increased by

CorrectIncorrect