IndiaBIX

Electronics and Communication Engineering - Exam Questions Papers

Exercise : Exam Questions Papers - Exam Paper 17
41.
A junction FET, can be used as a voltage variable resistor
at pinch-off condition
beyond pinch-off voltage
well below pinch-off condition
for any value of VDS
Answer: Option
Explanation:
No answer description is available. Let's discuss.
42.
A fully charged mobile phone with a 12 V battery is good for a 20 minute talktime. Assume that, during the talk time, the battery delivers a constant current of 2 A and its voltage drops linearly from 12 V to 10 V as shown in the figure. How much energy does the battery deliver during this talk time?
220 J
12 kJ
13.2 kJ
14.4 kJ
Answer: Option
Explanation:
No answer description is available. Let's discuss.
43.
In a material, the Fermi level is located between the centre of the forbidden band and the conduction band. Then what is that material?
A p-type semiconductor
An n-type semiconductor
An intrinsic semiconductor
An insulator
Answer: Option
Explanation:
No answer description is available. Let's discuss.
44.
Consider an SSB signal when the modulating signal is x(t). Let x(t) represents the complex conjugate of x(t) and is its Hilbert transform. The envelope of SSB signal is:
x(t)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
45.
Consider two independent random variables x and y with identical distributions. The variables X and Y take 0, 1 and2 with probabilities and respectively. What is the conditional probability P(X + Y = 2| X - Y = 0)?
0
1
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers