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ISRO 2017 Electronics: Champion Quiz 3

Attempt now to get your rank among 729 students!

Question 1

In case of bipolar or static MOS memories, the access time is about:

Question 2

The Column-l lists the attributes and the Column-2 lists the modulation systems. Match the attribute to the modulation system that best meets it.
Column-l
P. Power efficient transmission of signals
Q. Most bandwidth efficient transmission of voice signals
R. Simplest receiver structure
S. Bandwidth efficient transmission of signals with
significant dc component

CoIumn-2
I. Conventional AM
II. FM
III. VSB
IV. SSB-SC

Question 3

Power amplifiers handle ………….. signals compared to voltage amplifiers.

Question 4

Which of the following counter results in least delay

Question 5

What is the input impedance of a lossless transmission line operating at 1 GHz, with load and characteristic impedance of 10-j20 Ω and 50Ω respectively and the length of the transmission line being 0.25 λ.

Question 6

Ram and Ramesh appeared in an interview for two vacancies in the same department. The probability of Ram’s selection is 1/6 and that of Ramesh is 1/8. What is the probability that only one of them will be selected?

Question 7

The driving point impedance of the network shown in figure has
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Question 8

In a microcomputer, wait states are used to

Question 9

An ideal op-amp is an ideal

Question 10

Which of the following is a solution to the differential equation

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ESE & GATE EC General

May 21ESE & GATE EC