1
GATE ECE 1998
MCQ (Single Correct Answer)
+1
-0.3
All transmission line sections shown in Fig. have characteristic impedance $${R_0}\, + \,j0$$. The input impedance $${Z_{in}}$$ equals GATE ECE 1998 Electromagnetics - Transmission Lines Question 60 English
A
$${2 \over 3}\,{R_0}$$
B
$${R_0}$$
C
$${3 \over 2}\,{R_0}$$
D
$$2\,\,{R_0}$$
2
GATE ECE 1998
MCQ (Single Correct Answer)
+1
-0.3
The polarization of a wave with electric field vector $$\overrightarrow E = {E_0}\,{e^{j\left( {\omega t - \beta z} \right)}}\left( {\overrightarrow {{a_x}} + \overrightarrow {{a_y}} } \right)$$ is
A
linear
B
elliptical
C
left hand circular
D
right hand circular
3
GATE ECE 1998
MCQ (Single Correct Answer)
+1
-0.3
The Maxwell's equation $$\nabla\times\overrightarrow H\;=\;\overrightarrow J\;+\;\frac{\partial\overrightarrow D}{\partial t}$$ is based on
A
Ampere’s law
B
Gauss’ law
C
Faraday’s law
D
Coulomb’s law
4
GATE ECE 1998
MCQ (Single Correct Answer)
+1
-0.3
A loop is rotating about the y-axis in a magnetic field $$$\overrightarrow B\;=\;B_0\cos\left(\mathrm{ωt}\;+\;\mathrm\phi\;\right)\;{\overrightarrow a}_x\;\mathrm T .$$$ The voltage in the loop is
A
zero
B
due to rotation only
C
due to transformer action only
D
due to both rotation and transformer action