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ISRO Quiz 8

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Question 1

The E-MOSFET is normally-off MOSFET when:

Question 2

The content in accumulator after the execution of the following program is

MVI A, 69H

MVI B, 8AH

ADD B

DAA

Question 3

A superhetrodyne receiver is to operate in 450kHz – 1550kHz, with intermediate frequency 450 kHz. The value of  is

Question 4

Input of matched filter is

Peak amplitude of filter output.

Question 5

The convolution of  is:

Question 6

A 30-Volts battery with zero source resistance is connected to a coaxial line of characteristic impedance of 50 Ohms at t = 0 second terminated in an unknown resistive load. The line length is that it takes 400 Js for an electromagnetic wave to travel from source end to load end and vice-versa. At t = 400 µs, the voltage at the load end is found to be 40 Volts.
The load resistance is

Question 7

In a monostatic radar, if the antenna aperture is doubled, then the radar range will

Question 8

consider an commercial FM broadcast system . the improvement in output SNR compared to baseband system SNR is ____.
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Apr 17ESE & GATE EC