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Electrical Engineering Questions and Solutions Set 15

Electrical Engineering Questions and Solutions Set 15
Question:-
Option (A)
    1/4
Option (B)
    3/8
Option (C)
    1/2
Option (D)
    3/4
Correct Option:
A
Question Solution:
P(H) = 0.5
Probability of getting head exactly 3 times is
=
=
Question:-
Option (A)
    2, 11, 6
Option (B)
    3, 11, 8
Option (C)
    2, 3, 6
Option (D)
    6, 3, 11
Correct Option:
A
Question Solution:
3I - 2A + A2
=> 3 - 2 + 1 = 2
eigen values
3 - 2(-2) + (-2)2 = 11
3 - 2λ + λ2
3 - 3(2) + (3)2
6
Question:-
Option (A)
    
Option (B)
    
Option (C)
    
Option (D)
    
Correct Option:
C
Question Solution:
Given,x = a(&θ + sin &θ)
y = a(1 - cos &θ)
therefore, = a(1 + cos &θ),
= a sin &θ
=
=
=
=
Question:-
Option (A)
    B = C
Option (B)
    AD - BC = -1
Option (C)
    A = D
Option (D)
    AD - BC = 1
Correct Option:
D