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BARC Full Syllabus Test 15

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Question 1

An input of Vi = 5.0 cos  is given to an Op-Amp integrator circuit. If R = 2.0 Mohm and C = 1.0 , then output will be

Question 2

For the block diagram shown, C(s) / R(s) is:-

Question 3

A load is connected to an active network. At the terminals to which load is connected, the value of Thevenin’s resistance is given by RTh = 20 Ω and the Thevenin’s voltage is VTh = 28 B. The maximum power that can be delivered to the this load is

Question 4

In the zener diode network shown below, the power  dissipated by the zener diode is:-

Question 5

A composite signal XC(t) is expressed as: 
XC(t) = Accosωct - Amcos(ωc - ωm)t + Amcos(ωcm)t 
Which of the following methods can be employed to retrieve the sinusoidal component at ωm from Xc?

Question 6

A point A (0,2,0) is given in rectangular coordinates. Which of the following is not valid at point A?
(i)
(ii)
(iii)
(iv)

Question 7

In the differential amplifier of Fig. if the source resistance of the current source IEE is infinite, then the common-mode gain is

Question 8

For the circuit shown in the figure, the Thevenin voltage and resistance looking into X–Y are:

Question 9

In the following circuit, X is given by

Question 10

Two diodes are oppositely connected in a circuit as shown. What will be the value of the current flowing through the 12 V battery in the circuit?  THE cut-in voltage of diodes are 0.7 V


Question 11

Consider the network given below

The Thevenin equivalent resistance between the terminal a-b is

Question 12

Find the per unit change in current of a Ge diode if VT=26mV and the forward voltage drop increases by 50mV.

Question 13

The discrete-time signal is given as

Which one of the following is the time-shifted signal ?

Question 14

Consider the unity feedback control system described by following state-space equations

If u(t) is unit step input, then the steady state error of the system is

Question 15

Consider the following causal LTI system

The system is stable for what Values of

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Jan 25ESE & GATE EC