1
GATE ECE 2003
MCQ (Single Correct Answer)
+2
-0.6
A short-circuited stub is shunt connected to a transmission line as shown in Fig. If $${Z_0} = 50\,\,\Omega $$, the admittance Y seen at the junction of the stub and the transmission line is GATE ECE 2003 Electromagnetics - Transmission Lines Question 26 English
A
(0.01 – j 0.02) mho
B
(0.02 – j 0.01) mho
C
(0.04 + j 0.02) mho
D
(0.02 + j 0) mho
2
GATE ECE 2003
MCQ (Single Correct Answer)
+2
-0.6
A uniform plane wave traveling in air is incident on the plane boundary between air and another dielectric medium with $${\varepsilon _r} = 4$$. The reflection coefficient for the normal incidence, is
A
zero
B
$$0.5\angle {180^ \circ }$$
C
$$0.333\angle {0^ \circ }$$
D
$$0.333\angle {180^ \circ }$$
3
GATE ECE 2003
MCQ (Single Correct Answer)
+2
-0.6
Medium $$1$$ has the electrical permittivity $${\varepsilon _1} = 1.5\,\,{\varepsilon _0}\,\,\,F/m$$ and occupies the region to left of $$x = 0$$ plane. Medium $$2$$ has the electrical permittivity $${\varepsilon _2} = 2.5\,\,{\varepsilon _0}\,\,\,F/m$$ and occupies the region to the right of $$x = 0$$ plane. If $${E_1}$$ in medium $$1$$ is $${E_1} = \left( {2\,{u_x} - 3\,{u_y} + 1\,{u_z}} \right)$$ volt/m, then $${E_2}$$ in medium $$2$$ is
A
$$\left( {2.0\,\,{u_x} - 7.5\,\,{u_y} + 2.5\,\,{u_z}} \right)\,$$ volt/m
B
$$\left( {2.0\,\,{u_x} - 2.0\,\,{u_y} + 0.6\,\,{u_z}} \right)\,$$ volt/m
C
$$\left( {1.2\,\,{u_x} - 3.0\,\,{u_y} + 1.0\,\,{u_z}} \right)\,$$ volt/m
D
$$\left( {1.2\,\,{u_x} - 2.0\,\,{u_y} + 0.6\,\,{u_z}} \right)\,$$ volt/m
4
GATE ECE 2003
MCQ (Single Correct Answer)
+2
-0.6
If the electric field intensity associated with a uniform plane electromagnetic wave traveling in a perfect dielectric medium is given by

$$E\left( {z,\,t} \right) = \,10\,\cos \left( {2\pi \times {{10}^7}\,\,t - 0.1\,\,\pi z} \right)\,$$ volt/m, the velocity of the traveling wave is

A
$$3.00 \times {10^8}\,\,$$ m/sec
B
$$2.00 \times {10^8}\,\,$$ m/sec
C
$$6.28 \times {10^7}\,\,$$ m/sec
D
$$2.00 \times {10^7}\,\,$$ m/sec
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