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DMRC Electronics Engineering Paper-1 2014

Instructions

For the following questions answer them individually

Question 111

To multiply a number by 8 in 8085 we have to use RAL instruction:

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Question 112

An energy signal has G(f) = 10. Its energy density spectrum is:

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Question 113

Feedback factor at the frequency of oscillation of a Wien bridge oscillator is:

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Question 114

A 4-bit R/2R digital-to-analog (DAC) converter has a reference of 5 volts. What is the analog output for the input code 1010:

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Question 115

A quarter wave line open circuited at far end behaves as:

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Question 116

In a directional coupler:

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Question 117

In a circular waveguide the dominant mode is:

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Question 118

In a klystron amplifier the input cavity is called:

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Question 119

A loss less line of characteristic impedance $$Z_0$$ is terminated in pure reactance of $$-jZ_0$$ value. VSWR is

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Question 120

The velocity factor of a transmission line depends on:

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