DMRC Electronics Engineering Paper-1 2014

Instructions

For the following questions answer them individually

Question 71

Without any additional circuitry, an 8:1 MUX can be used to obtain:

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Question 72

The resolution of a potentiometer should be:

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Question 73

Negative feedback in amplifier:

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Question 74

Spectral density expresses:

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Question 75

Which of the following is used as a data selector?

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Question 76

If a signal x(n)=x(-n), then it is called ____ signal:

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Question 77

The response of an LTI/LSI system is given by the _______ of input and impulse response:

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Question 78

Companders are used in communication systems to:

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Question 79

$$I_{CBO}$$ ICBO in a transistor can be reduced by reducing:

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Question 80

Light is confined within the core of a simple optical fiber by:

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