Time Left - 08:00 mins

AE-JE Foundation EE : Communication Systems Revision Quiz

Attempt now to get your rank among 63 students!

Question 1

Which of the following techniques is different from others?

Question 2

A signal is composed of a fundamental frequency of 2 kHz and another of 4 kHz. This 4 kHz signal is referred to as

Question 3

In AM, if modulation index is more than 100%, then

Question 4

The input to a coherent detector is DSB-SC signal plus noise. The noise at the detector output is:

Question 5

Light is confined within the core of a simple optical fibre by____.

Question 6

The disadvantage of CDMA system is:

Question 7

A 60 KHz carrier is Amplitude modulated by the speech band of 300 to 3000 Hz. The range of upper side bands will be

Question 8

Theoretical bandwidth requirement for FM system is:

Question 9

In radar systems PRF stands for

Question 10

An FM wave uses a 25 V, 500 Hz modulating frequency and has a modulation index of 50. The deviation is

Question 11

Which of the following is the indirect way of FM generation?

Question 12

If the maximum and minimum voltages on a transmission line are 12V and 4V respectively for a typical load VSWR is.

Tags :

Dec 13AE & JE Exams