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BARC Quiz 4

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Question 1

The bandwidth required in DPCM is less than that of PCM because

Question 2

For the given circuit, the Open circuit Parameter of two-port network ''N'', are Z₁₁ = 4; Z₁₂= 3; Z₂₁= 3; Z₂₂= 2 . Find the value of Currents I₁ & I₂, if the input voltage V_o = 3∠ having an impedance Z₀ as 5Ω and load current I_L has an impedance Z_L of 4Ω?

Question 3

Match List-I with List-II and select the correct answer using the code given below the Lists:
List-I
A). 555
B). 74173
C). 74163
D). 8097
List-II
1). Microcontroller
2). Register
3). Timer
4). Counter

Question 4

If the value of a resistor creating thermal noise is doubled. The noise power generated is therefore

Question 5

If the characteristic equation of a feedback control system is given by.
s⁴ + 20s³ + 15s² + 2s + K = 0
then the range of values of K for the system to be stable will be

Question 6

PAM signals are constructed by using a low pass fitter of pass band slightly greater then band to avoid aliasing. This avoids distortion.

Question 7

The driving point impedance of the circuit shown is given by

Z(s)= 2s/(10s²+s+20)

The component values R, L and C are respectively:

Question 8

TRAP is an interrupt in 8085. Which one of the following statements is true about the TRAP?

Question 9

Which of the following quantities cannot be measured/determined using Hall effect?

Question 10

In the BJT circuit, V_CC =9V ,V_{CE Sat}=_0.3V R_M is 18Ω. Find the higher I_Cvalues?

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ESE & GATE EC General

Mar 21ESE & GATE EC