placeholder image to represent content

ECA - Assignment - III (11-02-2021)

Quiz by NAGA RAJU ELURI

Our brand new solo games combine with your quiz, on the same screen

Correct quiz answers unlock more play!

New Quizalize solo game modes
20 questions
Show answers
  • Q1
    Inverse Laplace transform of F(s) = (5s+1)/(s2-25) is
    cos5t+1/5sin5t
    5cosh5t+1/5sinh5t
    5cos5t+1/5sin5t
    5cosh5t+sinh5t
    60s
  • Q2
    Laplace transform of function f(t) = eatsin(wt) is
    w/((s-a)2+w2)
    s/((s-a)2+w2)
    (s-a)/((s-a)2+w)
    (s-a)/(s-a)+w
    60s
  • Q3
    Laplace transform of an impulse response is regarded as _____function of the system
    Transfer
    Hypothetical
    Parabolic
    Analytic
    60s
  • Q4
    By equating the denominator of transfer function to zero, which among the following will be obtained?
    Both a and b
    Poles
    None of the above
    Zeros
    60s
  • Q5
    The transfer function of a system is defined as the ratio of its output to input in
    Fourier transform
    Both (a) and (b)
    Laplace transform
    Z-transform
    60s
  • Q6
    Mutually inductance between two magnetically coupled coils depends on
    permeability of core
    cross sectional area of their common core
    All of above
    the number of their turns
    60s
  • Q7
    What is the Value of Leq=?
    Question Image
    2 H
    4H
    8H
    6H
    60s
  • Q8
    The direction of induced emf can be found by
    Lenz's law
    Laplace's law
    Voltage law
    Fleming's right hand rule
    60s
  • Q9
    Refer to the two magnetically coupled coils of Fig.(a). The polarity of the mutual voltage is
    Question Image
    a and b
    a or b
    Negative
    Positive
    60s
  • Q10
    The coefficient of coupling for two coils having L1 = 2 H, L2 = 8 H, M = 3 H is
    .0.75
    5.333
    0.1875
    1.333
    60s
  • Q11
    Mutual inductance between two coupled coils depend on?
    Rate of change of current
    Amount of flux linkage
    Rate of change of flux linkage
    Flux density
    60s
  • Q12
    What is the coupling coefficient when all the flux of coil 1 links with coil 2?
    1
    0
    100
    Insufficient information provided
    60s
  • Q13
    The working principle of transformer depends on
    Faraday's law of electromagnetic induction
    Ampere's law.
    Coulomb's law.
    Newton's law.
    60s
  • Q14
    Two coupled coils with L1=L2=0.6 H have a coupling coefficient of K = 0.8. The turns ratio N1/N2 is
    2
    4
    1
    0.5
    60s
  • Q15
    Number of possible combination generated by four variables taken two at a time in a two-port network is
    5
    6
    2
    4
    60s

Teachers give this quiz to your class