CBSE-NET 2017 EC Exam: Practice Quiz 6

Attempt now to get your rank among 450 students!

Question 1

Identify the matrix that can be a state transition matrix.

• A
• B
• C
• D

Question 2

,are the roots of the equation x² + x+1 = 0. Then is

• A1
• B2
• C3
• D0

Question 3

The number of node equations for a network with the graph shown below

• Adepends on the choice of datum node
• Bis less than 8
• Cis exactly 8
• Dis exactly 9

Question 4

Consider the discrete time signal x(n) = {1, 1, 1, 1, 0.5, 0.5}, y(n) = conv (δ(n-1), x(n))  then y(n) is :

• A1
• Bδ(n-1)
• Cx(n-1)
• D5

Question 5

Let be the short circuit common emitter current gain of a BJT biased in normal active mode. Let be the collector current. Is this

• Aa monotonically increasing function of
• Ba monotonically decreasing function of
• Cinitially an increasing function of which reaches a plateau, and then decreases with increasing
• Dindependent of

• 450 attempts
• 5 upvotes
• 11 comments