Practice Test: Electronics Engineering (ECE)- 8 - Electronics and Communication Engineering (ECE) MCQ

Obtain the taylor series of the function in the region

The dependent current source shown in circuit

The minimum number of equations required to analyze the circuit shown in the figure below is _____

The condition on R, L and C such that the step response y(t) in the figure has no oscillations, is

V_T = 1V&

I_DS = 0.5 mA For the given figure ( NMOS circuit) the value of V_DS is __________V

Current through a Silicon diode is 60 mA at a Forward bias of 0.95 V then the values of AC and DC Resistance of diode are?

In the given figure, the zener diode D₁ has a reverse saturation current of 20 μA and a reverse saturation breakdown voltage of 100 V : The corresponding values for D₂ are 50 μA & 30 V. The current in the circuit is given by

The range of the voltage gain adjustment in the following circuit is?

A transformer coupled class-A large signal amplifier has maximum and minimum values of collector- emitter voltage of 25V and 2.5V. The collector efficiency is?

For the circuit shown in the given figure the frequency of the output Q will be

The function ‘F’ implemented by the multiplexer chip shown in the figure is :

In a microprocessor the register which holds the address of the next instruction to be fetched is

The convolution product of

x[n] = {1.2, ,3,4.} 0 < n < 3
h(n) = (1, ,2 1, -1} 0 < n < 3 is?

If the step response of a causal, linear time invariant system is a(t) then the response of the system to a general input x(t) would be

For what value of ‘a’ does the system shown in the figure have a zero steady state error for a step input?

The measurement system shown in the figure uses three sub-systems in cascade, whose gains are specified asThe relative small errors associated with each respective sub-system are ei, e₂ and e₃. The error associated with the output is

The first two rows of Routh's tabulation of a third order equation are as follows.

This means there are

A broadcast radio transmitter radiates 10KW. When the modulation index is 0.6, the amount of carrier power, modulating wave power are?

If P_k is the probability of a message being received or transmitted, the amount of information l_k associated in a bit is

Consider limiter - Discriminator based FM demodulation with a sinusoidal modulation signal with maximum frequency deviation 60 KHz and base filter width 12kHz, the figure of merit is ____

A TEM wave impinges obliquely on a dielectric boundary with ∈_r1 = 4 & ∈_r2 = 3. The angle of incidence of total reflection is

Stoke's theorem relating the line integration to surface integration states that

The distribution function of a discrete random variable x is as follows:

The probability that X will take odd values is 

Using Runge-Kutta method find the approximate value of y, when x = 0.1 given that when x = 0; y = 1 

where S is the surface of the sphere x² + y* + z² = 16.

The particular integral of the different equation

Which one of the following statment is true of the circuit show in the given figure ?