GATE ECE 1989 | GATE ECE Year Wise Previous Years Questions

GATE ECE 1989

MCQ (Single Correct Answer)

-0.6

The skin - depth of copper at a frequency of $$3 GHz$$ is $$1$$ micron ($${{{10}^{ - 6}}}$$ metre). At $$12 GHz$$, for a non - magnetic conductor whose conductivity is $$1/9$$ times that of copper, the skin $$-$$ depth would be

$$\sqrt {9 \times 4} $$ microns

$$\sqrt {9/4} \,\,$$ microns

$$\sqrt {4/9} \,\,$$ microns

$${1 \over {\sqrt {9 \times 4} }}\,$$ microns

GATE ECE 1989

MCQ (Single Correct Answer)

-0.6

A 50 ohm lossless transmission line has a pure reactance of (j100) ohms as its load. The VSWR in the line is :

1/2

$$\infty $$

GATE ECE 1989

MCQ (Single Correct Answer)

-0.3

In a microprocessor system, the stack is used for

storing the program return address whenever a sub-routine jump instruction is executed.

transmitting and receiving input-output data.

storing all important CPU register contents whenever an interrupt is to be serviced.

storing program instructions for interrupt service routines.

GATE ECE 1989

MCQ (More than One Correct Answer)

-0

The half - power bandwidth of the resonant circuit of figure can be increased by GATE ECE 1989 Network Theory - Sinusoidal Steady State Response Question 10 English

GATE ECE 1989 Network Theory - Sinusoidal Steady State Response Question 10 English

increasing R₁

decreasing R₁

increasing R₂

decreasing R₂

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