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GATE EC : Analog Circuits Champion Quiz 5

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Question 1

If the differential voltage gain and the common mode voltage gain of a differential amplifier are 48 dB and 2 dB respectively, then its common mode rejection ratio is

Question 2

In the circuit shown, the voltage V_x (in Volts) is______
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Question 3

At very high frequencies, the peak output voltage V₀ (in Volts) is ___________.
$Description: D:\GradeStack Courses\GATE Tests (Sent by Ravi)\GATE EC 10-Mar\GATE-ECE-2015-Paper-3_files\image027.png$

Question 4

A particular current is made up of two components: a 10A dc and a sinusoidal current of peak value of 1.414 A. The average value of the resultant current is

Question 5

Poynting vector

has the unit

Question 6

Figure shows a ripple counter using positive edge triggered flip-flops. If the present state of counter is ₂. ₁. ₀. = 011 then its next state (₂. ₁. ₀.) will be
$Description: D:\GradeStack Courses\GATE Tests (Sent by Ravi)\GATE EC-ME-17-Mar\GATE-ECE-2005_files\image117.jpg$

Question 7

The output voltage of the regulated power supply shown in figure is

Question 8

In the circuit shown, assume that the diodes D₁ and D₂ are ideal. The average value of voltage V_ab (in volts), across terminals ‘a’ and ‘b’ is ________.
$Description: D:\GradeStack Courses\GATE Tests (Sent by Ravi)\GATE EC 10-Mar\GATE-ECE-2015-Paper-3_files\image173.png$

Question 9

The source in the circuit shown is a sinusoidal source. The supply voltages across various elements are marked in the figure. The input voltage is:

Question 10

A voltage regulator having Vref=1.25V needs to generate 5V output. Assume that Iadj = 100

A and R1 = 10kohm. What should be value of R2?

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ESE & GATE EC Analog Circuits

Oct 17ESE & GATE EC