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GATE 2020 || Revision Test 8 (App update required to attempt this test)
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Question 1
The frequency at the output of the following cascaded circuit is …………. Hz.
Question 2
Synchronous impedance or Emf method of calculating voltage regulation is pessimistic. What is the meaning of pessimistic here
Question 3
A voltmeter reads 100.5V. The error taken from an error curve is 5%. Find the true value of the voltage.
Question 4
The incidence matrix of a graph is given as below
A=
The number of possible trees is …………….
Question 5
A single phase full converter supplies power to RLE load. The source voltage is 230V, 50Hz and load is R = 2ohms, L= 15mH, E=100V for a firing angle delay of 300. Find the average output current in case current extinguishes at 2000
Question 6
For the common Emitter configuration circuit shown below,
If Ic = 1.5mA then the magnitude of voltage gain is __________.
If Ic = 1.5mA then the magnitude of voltage gain is __________.
Question 7
The bode plot of a non-minimum phase system is shown below
The transfer function is
The transfer function is
Question 8
An alternator supplying 700KW load at 0.8pf lagging has its power factor raised to unity by means of over excited synchronous motor. At a constant armature current the reactive power supplied by the motor and the power factor of operation respectively,
Question 9
Find the Thevenin’s resistance across terminals x & y.
Question 10
A single phase semi converter is fed form 230V, 50Hz AC supply and is operating at a firing angle of 450. The load current is assumed to be constant 20A because of high load inductance. Find the input displacement factor and current distortion factor respectively?
Question 11
A large power system is represented by Thevenin’s voltage of Pu in series with Thevenin’s impedance of 0.2pu. If a new generator having emf of 1.21pu. and synchronous reactance of 0.5 pu 5 connected to the system, the bus terminal voltage is
Question 12
The Z-transform of a signal is given as Then what will be the Z transform of the signal where * denotes convolution.
Question 13
Consider the two continuous-time signals defined below:
These signals are sampled with a sampling period of seconds to obtain discrete-time signals and respectively. Which one of the following statements is true?
These signals are sampled with a sampling period of seconds to obtain discrete-time signals and respectively. Which one of the following statements is true?
Question 14
A large power system is represented by Thevenin’s voltage of pu in series with Thevenin’s impedance of . If a new generator having emf of pu. and synchronous reactance of 0.5 pu is connected to the system, the bus terminal voltage is
Question 15
Determine the region of convergence (ROC) of the Laplace transform of x(t) which is defined as follows:
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ESE & GATE EEGeneralNov 23ESE & GATE EE