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1
GATE ECE 1989
MCQ (Single Correct Answer)
+2
-0.6

A load, ZL = RL + jXL is to be matched, using an ideal transformer, to a generator of internal impedance, ZS = RS + jXS. The turns ratio of the transformer required is

A
$$\sqrt{\left|Z_\mathrm S\;/\;Z_\mathrm L\right|}$$
B
$$\sqrt{\left|R_\mathrm L\;/\;R_\mathrm S\right|}$$
C
$$\sqrt{\left|R_\mathrm L\;/\;Z_\mathrm S\right|}$$
D
$$\sqrt{\left|{\mathrm Z}_\mathrm L\;/\;R_\mathrm S\right|}$$
2
GATE ECE 1988
MCQ (Single Correct Answer)
+2
-0.6

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

A
Source impedance ZS
B
Complex conjugate of ZS
C
Real part of ZS
D
Imaginary part of ZS
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