GATE 2019: Topper Quiz 9 (App update required to attempt this test) for ESE & GATE EE Exams

Question 1

In the low-pass filter shown in the figure, for a cut-off frequency of 5kHz, the value of R₂(in

) is ____________.

Question 2

An 8 bit successive approximation analog to digital converter has full scale reading of 2.55 V and its conversion time for an analog input of 1V is 20μs. The conversion for a 2V input will be

Question 3

The parallel-plate capacitor shown in the figure has movable plates. The capacitor is charged so that the energy stored in it is E when the plate separation is d. The capacitor is then isolated electrically and the plates are moved such that d the plate separation becomes 2d.

At this new plate separation, what is an effect stored in the capacitor, neglecting fringing the energy?

Question 4

in the system, r(t) = sin

The steady state response c(t) will exhibit a resonance peak at a frequency (in rad/sec) of
[write the answer upto two decimal point]

Question 5

The saw-tooth voltage wave form shown in the figure is fed to a moving iron voltmeter. Its reading would be close to ____________

Question 6

A current of

is passed through the circuit shown in figure below. Determine the reading of electrostatic voltmeter (in Volt) across 1 mH inductor.

Question 7

If maximum torque of an induction motor is 200 Nm at a slip of 10% then the torque at 5% slip would be –

Question 8

The starting current of 3 phase Induction motor is 7 times the rated current while the rated slip is 6%. The ratio of starting torque to full load torque is –

Question 9

Which of the following is the correct sequence of the components of a nuclear power plant for power generation?

Question 10

Which of the following is the preferred type of circuit breaker(CB) to be installed in extra high voltage AC system at 132 KV?

Question 11

Find the power loss in 1 ohm resistor using Thevenins theorem?

Question 12

A series RLC circuit is observed at two frequencies. At

rad/s, we note that source voltage

results in current

At

rad/s, the source voltage

results in a current

The closest values for R,L,C out of the following options are

Question 13

The Nyquist sampling rate for the signal

is _________ kHz?

Question 14

Let f(x) be an odd2π periodic function. As

dt for n

. Find c –n

Question 15

A buck converter feeding a variable resistive load is shown in the figure. The switching frequency of the switch S is 100 kHz and the duty ratio is 0.6. The output voltage V₀ is 36 V, Assume that all the components are ideal, and that the output voltage is ripple-free. The value of R (in Ohm) that will make the inductor current (i_L) just continuous is _______.