1
GATE ECE 1988
MCQ (More than One Correct Answer)
+2
-0.6
The electric field E and the magnetic field H of a short dipole antenna satisfy the condition
A
the r component of E is equal to zero
B
both r and $$\theta $$ components of H are equal to zero
C
the $$\theta $$ component of E dominates the r component in the far-field region
D
the $$\theta $$ and $$\phi $$ components of H are of the same order of magnitude in the near-field region
2
GATE ECE 1988
Subjective
+8
-0
A rectangular waveguide with cross-section dimensions 5 cm by 3 cm is filled with a dielectric of relative permittivity 3.
(i) Determine the cutoff frequency of the$$T{E_{11}}$$ mode.
(ii) Determine the frequency at which this / mode has an attenuation of $$3\,\pi $$ nepers/m.
3
GATE ECE 1988
Subjective
+8
-0
A rectangular waveguide with cross-section dimensions 5 cm by 3 cm is filled with a dielectric of relative permittivity 3.
(i) Determine the cutoff frequency of the$$T{E_{11}}$$ mode.
(ii) Determine the frequency at which this / mode has an attenuation of $$3\,\pi $$ nepers/m.
4
GATE ECE 1988
MCQ (Single Correct Answer)
+1
-0.3
For a microprocessor system using I/O-mapped I/O the following statement(s) is NOT true
A
Memory space available is greater.
B
Not all data tranfer instructions are available
C
I/O and Memory address spaces are distinct.
D
I/O address space is greater.
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