GATE ECE 2013 | GATE ECE Year Wise Previous Years Questions

GATE ECE 2013

MCQ (Single Correct Answer)

-0.6

In the circuit shown below, Q₁ has negligible collector-to-emitter saturation voltage and the diode drops negligible voltage across it under forward bias. If V_CC is +5 V, X and Y are digital signals with 0 V as logic 0 and V_CC as logic 1, then the Boolean expression for Z is GATE ECE 2013 Digital Circuits - Logic Families Question 11 English

GATE ECE 2013 Digital Circuits - Logic Families Question 11 English

$$\overline XY$$

$$X\overline Y$$

$$\overline{XY}$$

GATE ECE 2013

MCQ (Single Correct Answer)

-0.3

The divergence of the vector field $$\overrightarrow A\;=\;x{\widehat a}_x\;+\;y{\widehat a}_y\;+\;z{\widehat a}_z$$ is

$$0$$

1/3

GATE ECE 2013

MCQ (Single Correct Answer)

-0.3

The return loss of a device is found to be 20 dB. The voltage standing wave ratio (VSWR) and magnitude of reflection coefficient are respectively.

1.22 and 0.1

0.81 and 0.1

- 1.22 and 0.1

2.44 and 0.2

GATE ECE 2013

MCQ (Single Correct Answer)

-0.6

A monochromatic plane wave of wavelength $$\lambda = 600$$ is propagating in the direction as shown in the figure below. $${\overrightarrow E _i},\,{\overrightarrow E _r}$$ and $${\overrightarrow E _t}$$ denote incident, reflected, and transmitted electric field vectors associated with the wave. GATE ECE 2013 Electromagnetics - Uniform Plane Waves Question 24 English

GATE ECE 2013 Electromagnetics - Uniform Plane Waves Question 24 English

The angle of incidence $${\theta _i}$$ and the expression for $${\overrightarrow E _i}$$ are

$${60^ \circ }\,\,\,and\,\,{{{E_0}} \over {\sqrt 2 }}\left( {{{\widehat a}_x} - {{\widehat a}_z}} \right){e^{ - j{{\pi \times {{10}^4}\left( {x + z} \right)} \over {3\sqrt 2 }}}}\,\,V/m$$

$${45^ \circ }\,\,\,and\,\,{{{E_0}} \over {\sqrt 2 }}\left( {{{\widehat a}_x} - {{\widehat a}_z}} \right){e^{ - j{{\pi \times {{10}^4}z} \over 3}}}\,\,V/m$$

$${45^ \circ }\,\,\,and\,\,{{{E_0}} \over {\sqrt 2 }}\left( {{{\widehat a}_x} - {{\widehat a}_z}} \right){e^{ - j{{\pi \times {{10}^4}\left( {x + z} \right)} \over {3\sqrt 2 }}}}\,\,V/m$$

$${60^ \circ }\,\,\,and\,\,{{{E_0}} \over {\sqrt 2 }}\left( {{{\widehat a}_x} - {{\widehat a}_z}} \right){e^{ - j{{\pi \times {{10}^4}z} \over 3}}}\,\,V/m$$

PREVIOUS NEXT

GATE ECE Papers

2023