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ECIL GET 2017 Recruitment: Electronics Section Quiz 15

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Question 1

The value of h_FE(the hybrid parameters) of a Common-Emitter (CE) connection of a Bipolar Junction Transistor (BJT) is given as 250. What is the value of α_dc (ratio of collector current to emitter current), for this BJT?

Question 2

what will be the right expression for writing the ratio of output voltage to input voltage (Vout/V1), if the circuit is having negative voltage?

Question 3

The aerial current of an AM transmitter is 18 A when unmodulated, but increases to 20 A when modulated. The modulation index is

Question 4

If 512 kB memory space is to be provided, then find the amount of 64k x 1 RAM chips needed?

Question 5

From the Nichols chart, one can determine the following quantities pertaining to a closed-loop system:

Question 6

Consider the following statements with respect to combinational circuit:
1) The output at any time depends only on the present combination of inputs.
2) It does not employ storage elements
3) It performs an operation that can be specified logically by a set of Boolean functions.
Which of the above statements are correct?

Question 7

The percentage composition in Manganin alloy of Copper, Nickel and Manganese is:

Question 8

The solution of the laplace equation б²φ/ бx² + б²φ/ бy² + б²φ/ бz² = 0 in cartesian coordinates shows:

Question 9

The probability density function F(x) = ae^-b|x| where x is a random variable whose allowable value range is from x = -∞ to x = +∞. The CDF for this function for x ≥ 0 is

Question 10

The transmission parameters in inverse hybrid (g) parameter form are expressed in terms of the

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ESE & GATE EC General

Oct 27ESE & GATE EC