1
GATE ECE 1995
MCQ (Single Correct Answer)
+1
-0.3
The intrinsic impedance of a lossy dielectric medium is given by
A
$${{j\omega \mu } \over \sigma }$$
B
$${{j\omega \in } \over \mu }$$
C
$$\sqrt {{{j\omega \mu } \over {\sigma + j\omega \in }}} $$
D
$$\sqrt {{\mu \over \in }} $$
2
GATE ECE 1995
MCQ (Single Correct Answer)
+1
-0.3
Copper behaves as a
A
conductor always.
B
conductor or dielectric depending on the applied electric field strength.
C
conductor or dielectric depending on the frequency.
D
conductor or dielectric depending on the electric current density.
3
GATE ECE 1995
MCQ (Single Correct Answer)
+1
-0.3
The electric field strength at a distance point, P, due to a point charge, +q, located at the origin, is 100 $$\mu $$V/m. If the point charge is now enclosed by a perfectly conducting metal sheet sphere whose center is at the origin, then the electric field strength at the point P outside the sphere becomes.
A
Zero
B
100 $$\mu $$V/m
C
-100 $$\mu $$V/m
D
50 $$\mu $$V/m
4
GATE ECE 1995
MCQ (Single Correct Answer)
+1
-0.3
In the infinite plane, y = 6 m, there exists a uniform surface charge density of (1/6000$$\pi $$) $$\mu $$C/m2. The associated electric field strength is:
A
$$30\,\widehat i\,$$ V/m
B
$$3\,\widehat j\,$$ V/m
C
$$30\,\widehat k\,$$ V/m
D
$$60\,\widehat j\,$$ V/m
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
CBSE
Class 12