GATE ECE 1988 | GATE ECE Year Wise Previous Years Questions

GATE ECE 1988

MCQ (Single Correct Answer)

-0.6

Two two-port networks are connected in parallel. The combination is to be represented as a single two-port network. The parameters of this network are obtained by addition of the individual

z parameters

h parameters

y parameters

ABCD parameters

GATE ECE 1988

MCQ (Single Correct Answer)

-0.6

If an impedance Z_L is connected across a voltage source V with source impedance Z_S, then for maximum power transfer, the load impedance must be equal to

Source impedance Z_S

Complex conjugate of Z_S

Real part of Z_S

Imaginary part of Z_S

GATE ECE 1988

MCQ (Single Correct Answer)

-0.6

The Laplace transform of a function f(t)u(t), where f(t) is periodic with period T, is A(s) times the Laplace transform of its first period. Then

A(s) = s

A(s) = 1/(1-exp(-Ts))

A(s) = 1/(1+exp(-Ts))

A(s) = exp (Ts)

GATE ECE 1988

MCQ (Single Correct Answer)

-0.6

The transfer function of a zero-order hold is

$${{1 - \exp ( - Ts)} \over s}$$

$$1/s$$

$$1/\left[ {1 - \exp \left( { - Ts} \right)} \right]$$

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