Gate Practice Test: Electrical Engineering(EE)- 4

Improve the sentence with suitable options by replacing the underlined word.

He is still in vigorous health although he is on the "right" side of sixty.

When a lead-acid battery is in fully charged condition, the colour of its positive plate is

Determine the peak inverse voltage that appear across the diode in the given circuit.

Determine the power dissipated across the load resistance R_L in the given circuit, assume diode is ideal.

What is the load current I_L in the circuit shown below:

How many standard resistor are required to design a 3 bit flash type ADC? 

Determine the size of ROM required to implement a full-substractor.

Determine the even part of the signal x(f) where x(t) = 4 Sin t

An LTI system is characterized by difference equation y (n) = y (n-1) x (n). The impulse response of the system is : 

Consider the signal x(t) = e^-2t u(t). Let X(ω) denotes the Fourier transform of the signal, the value of the below equation is:  

In the given circuit, the forward threshold voltage of the diode is 0.

When a bypass capacitor is connected across the emitter and resistance of a common-emitter BJT amplifier:

An amplifier using an op-amp with a slew rate 1 V/μsec has a gain of 20 dB. If the peak value of sinusoidal input signal is 1 V then determine the maximum frequency of the input signal that can be amplify without any distortion.

The skin depth of copper at a frequency of 6GHz is 1μm, the skin depth at a frequency of 24 GHz would be :

If the current changes from 5A to 3A in 2 seconds and the inductance is 10H, calculate the emf.

What is the capacitance when Q = 60 C and V = 12 V?

The surge impedance of a 400 KV, 100 Km T-line is 300for a 200 Km length, the surge impedance will be.

The dielectric loss of a capacitor can be measured by which one of the following :

The value of the below integral is equal to

Evaluate, , where C represents a circle 

From his 9 friends (4 boys and 5 girls), Mohan wanted to invite friends for picnic. If there have to be exactly 3 girls in invites, then the number of ways in which he can invite them are,

A dice is rolled 5 times. The probability that 4 will show up exactly 3 times is:

Consider a vector A given by :

Determine V₀ in the given circuit below

The Y-parameter of the circuit shown below :

In the circuit shown below, the switch is closed at t=0, determine 

A voltage commutated chopper circuit operated at 500Hz is shown below. Find circuit turn-off time of main SCR and Aux-SCR

The value of δ(t) * 2δ(t-1) * 3δ(t-2) is

The ROC of z transform of signal x[n] = (4)^|n| is

The system matrix of a continuous time system is described in the state variable form is,

The system is stable for

The resin bonded paper bushings are designed to operate at a maximum radial stress of

The open-loop transfer function of unity feedback control system is

.

The system is stable for

In the given logic diagram the propagation delays of both the gates are 20 nsec each. The output y is at logic ‘1’ from a long time and at t = 0, the input x change from 0 to 1, so the output goes momentary to logic 0, determine the time required by the output to again maintain its level at logic 1.

The logical expression realized by the circuit shown in the figure will be:

In the circuit A = 1, B = 1, Q_n = 0 and P_n = 1 what will be the output Q_{n 1} and P_{n 1} when the clock input (CK) is applied ?

For what value of damping parameter, the transient stability is assured by equal area criterion?

The current through the resistor R in the given circuit.

Determine the operating point of the BJT, in the given circuit.

In the circuit shown in the given figure, assume that the capacitor C is almost shorted for the frequency range of interest of the input signal. Under this condition, the voltage gain of the amplifier will be approximately.

Given h_fe = 100 & h_ie = 1K

For a Si transistor connected as shown in the fig. V_BE = 0.7V. Given that the reverse saturation current of the junction at room temperature is 200 nA, the I_C is given by

A 220 KV, three phase transmission line is 40 Km long. The resistance per phase is 0.15per Km and inductance per phase is 1.5923 mH per Km. The line is supplying a 3 phase load of 381 MVA at 0.8 power factor lagging. Find voltage at sending end will be (per phase)

Magnetic flux density in certain medium with permeability μ_r is given by . The current density is given by

Given field, Â = 3x²yzâ_x  x³zâ_y  (x³y - 2z)â_z   It can be said that A is

A synchronous motor with negligible armature resistance at a load angle of 20° at rated frequency. If supply frequency is increased by 10% keeping other parameters constant the new load angle will be?

A variable speed drive rated for 1500 rpm, 40Nm, is reversing under no-load. Figure shows the reversing torque and the speed during the transient. The moment of inertia of the drive is……….

A (0-300)V Voltmeter has a guaranteed accuracy of 2% of full scale reading if the voltage measured by this instrument is 180V then the limiting error will be

A fault current of 2000A is passing on the primary side of 400/5 CT on the secondary side of the C.T. an inverse time over current relay is connected whose plug setting is set at 50%. The PSM will be

If the voltage across the units in a 2-unit suspension insulator is 60% and 40% respectively, of the line voltage. Determine the ratio of the capacitance of the insulator to that of its capacitance to earth.

A salient pole synchronous motor is running with normal excitation it the excitation is reduced to zero than?

Given a > 0, we wish to calculate the reciprocal value 1/a  by Newton – Raphson method for f(x)=0 for a=7 and starting with X₀ = 0.2, the first two iterations would be :

For what values of 'k' will the pair of equations 3x + 4y = 12 and kx + 12y = 30 NOT have a unique solution?

The matrix is decomposed into a product of a lower triangular matrix [L] and an upper triangular matrix [U]. The properly decomposed [L] and [U] matrices respectively are

f(x) = 2x³ - 15x² + 36x + 1 is increasing in the interval given below, choose the correct option.