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BARC Full Syllabus Test 15

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Question 1

An input of V_i = 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 R_Th = 20 Ω and the Thevenin’s voltage is V_Th = 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 X_C(t) is expressed as:
X_C(t) = A_ccosω_ct - A_mcos(ω_c - ω_m)t + A_mcos(ω_c+ω_m)t
Which of the following methods can be employed to retrieve the sinusoidal component at ω_m from X_c?

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 I_EE 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