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1
GATE ECE 1990
MCQ (Single Correct Answer)
+2
-0.6
Which of the following field equations indicate that the free magnetic charges do not exits?
A
$$\mathop H\limits^ \to = {1 \over \mu }\,\nabla \, \times \,A$$
B
$$\mathop H\limits^ \to = \oint {{{Id\,\ell \, \times \,R\,} \over {4\,\,\pi \,\,{R^2}}}} $$
C
$$\nabla \,.\,\mathop H\limits^ \to = 0$$
D
$$\nabla \, \times \,\mathop H\limits^ \to = J$$
2
GATE ECE 1990
MCQ (Single Correct Answer)
+2
-0.6
The incoming solar radiation at a place on the surface of the earth is 1.2 KW/m2.The amplitude of the electric field corresponding to this incident power is nearly equal to
A
80 mV/m
B
2.5 V/m
C
30 V/m
D
950 V/m
3
GATE ECE 1989
MCQ (Single Correct Answer)
+2
-0.6
The electric field strength at a far-off point P due to a point charge + q, located at the origin O is 100 millivolts/metre. The point charge is now enclosed by a perfectly conducting hollow metal sphere with its centre at the origin O. The electric field strength at the point, P,
A
remains unchanged in its magnitude and direction
B
remains unchanged in its magnitude but reverse in direction
C
would be that due to a dipole formed by the charge + q at O and - q induced
D
would be zero
4
GATE ECE 1988
MCQ (More than One Correct Answer)
+2
-0
On either side of a charge-free interface between two media,
A
the normal components of the electric field are equal
B
the tangential components of the electric field are equal
C
the normal components of the electric flux density are equal
D
the tangential components of the electric flux density are equal
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Control Systems
Time Response Analysis Signal Flow Graph and Block Diagram State Space Analysis Basic of Control Systems Compensators Root Locus Diagram Stability Frequency Response Analysis
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Pin Details of 8085 and Interfacing with 8085 Instruction Set and Programming with 8085
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