GATE ECE 1989 | GATE ECE Year Wise Previous Years Questions

GATE ECE 1989

MCQ (Single Correct Answer)

-0.6

A load, Z_L = R_L + jX_L is to be matched, using an ideal transformer, to a generator of internal impedance, Z_S = R_S + jX_S .The turns ratio of the transformer required is

$$\sqrt{\left|Z_\mathrm L\;/\;Z_\mathrm S\right|}$$

$$\sqrt{\left|R_\mathrm L\;/\;R_\mathrm S\right|}$$

$$\sqrt{\left|R_\mathrm L\;/\;Z_\mathrm S\right|}$$

$$\sqrt{\left|{\mathrm Z}_\mathrm L\;/\;R_\mathrm S\right|}$$

GATE ECE 1989

MCQ (Single Correct Answer)

-0.6

A 10 Ω resistor, a 1 H inductor and 1 $$\mathrm{μF}$$ capacitor are connected in parallel.The combination is driven by a unit step current.Under the steady state condition, the source current flows through

the resistor

the inductor

the capacitor only

all the three elements

GATE ECE 1989

MCQ (Single Correct Answer)

-0.6

The condition AD - BC = 1 for a two-port network implies that the network is a

reciprocal network

lumped element network

lossless network

unilateral element network

GATE ECE 1989

MCQ (Single Correct Answer)

-0.6

The condition AD - BC = 1 for a two-port network implies that the network is a

reciprocal network

lumped element network

lossless network

unilateral element network

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