GATE ECE 1999 | GATE ECE Year Wise Previous Years Questions

GATE ECE 1999

MCQ (Single Correct Answer)

-0.6

In a twin-wire transmission line in air, the adjacent voltage maxima are at 12.5 cm and 27.5. The operating frequency is

300 MHz

1 GHz

2 GHz

6.28 GHz

GATE ECE 1999

MCQ (Single Correct Answer)

-0.6

In air, a lossless transmission line of length 50 cm with $$L = 10\,\mu H/m,\,\,C = 40\,\,pF/m$$ is operated at 25 MHz. Its electrical path length is

0.5 meters

$$\lambda $$ meters

$$\pi /2$$ radians

180 degree

GATE ECE 1999

MCQ (Single Correct Answer)

-0.3

Identify which one of the following will NOT satisfy the wave equation.

$$50{e^{j\left( {\omega t - 3z} \right)}}$$

$$\sin \left[ {\omega \left( {10z + 5t} \right)} \right]$$

$$\cos \left( {{y^2} + 5t} \right)$$

$$\sin \left( x \right).\cos \left( t \right)$$

GATE ECE 1999

MCQ (Single Correct Answer)

-0.3

Indicate which one of the following modes do NOT exist in a rectangular resonant cavity.

$$T{E_{110}}$$

$$T{E_{011}}$$

$$T{M_{110}}$$

$$T{M_{111}}$$

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