Gate Practice Test: Electrical Engineering(EE)- 5 - Electrical Engineering (EE) MCQ

In 'ABCD' parameters of a two port network,the condition for reciprocity is ____  

The equivalent resistance across terminals A & B of the circuit shown in below figure is____

In a 2^nd order system, the peak over shoot is 100%, the value of damping factor is _____

For a stable system GM and PM respectively, are    

The most efficient method of damping is

Two resistance 100 ± 5 Ω and 200 ± 10 Ω are connected in series. If the deviations are standard deviations, the resultant resistance is  _____  

A current transformer has a rating of 100/5 A. Its magnetizing and loss components of exciting current are 2 A and 1 A respectively and secondary winding burden is purely resistive, its transformation ratioat rated current is _____   

In the logic circuit shown in below figure, if A = 0 & B = 1 then possible values of C & X respectively

Which of the following logic gates use least power

In an FETas V_GS increasing in reverse bias, the value of g_m

Two parallel infinite filamentary wires carrying equal currents and separated by ‘2h’ distance. If the currents are in opposite direction to each other, then the magnitude of magnetic field at the centre of twoconductors is______

If a plot of signal x(t) is as shown in the below figure,

then the plot of the signal x(1 -t) will be

The z transform of the sequence (a^k) for k > 0 is _____

A river has a discharge of 400 liters/sec and the available head is 80 m. If the machine efficiency is 87%, the power delivered is    

Corona loss of a 400 kV, 75 Hz transmission is 4800 W. The corona loss of the system,for 25 Hz, 400 kV input will be_______        

Choose the incorrect statement related to SF₆ gas

The number of parallel paths in a 4 layer, 8 pole wave winding d.c. machine is

A d.c, differentia! compound generator acts as                                                    

The maximum efficiency of a 50 KVA transformer having iron loss of 450 W and full load copper loss as 800 W occurs at

The main advantage of universal motor is

The power electronic device can be used incurrent source inverter (CSI) is_____________

In the circuit shown in below if Th1 has turnoff period as 32 μs, the suitable value of capacitor is _______

The values of a, b and c such that is irrotational, are, respectively

In a unsymmetrical transmission system the distance between conductors ab, be and ca is 3 m, 4 m and 5 m respectively. The radius of each conductor is 2 cm. Thecapacitance of each phase is _______

The eigen values of the matrix

The network A in figures (a) and (b) is a passive and contains only linear resistors. The currents in figure (a) are as marked. The value of lx in figure (b) is  _______

A system has a transfer function G(s) = Value of “ω” at which imaginary magnitude is zero is _________