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GATE ECE 1987
MCQ (Single Correct Answer)
+2
-0.6
Two long parallel wires in free space are separated by a distance R and carry currents of equal magnitude but opposite in direction. At any general point, the Z-component of GATE ECE 1987 Electromagnetics - Maxwell Equations Question 6 English
A
The magnetic vector potential is $${{{\mu _o}\,I} \over {4\,\pi }}\,\ell \,n\left( {{{{d_2}^2} \over {{d_1}^2}}} \right)$$
B
The magnetic induction is $${{{\mu _o}\,I} \over {2\,\pi }}\,\,\left( {{{{d_2}} \over {{d_1}}}} \right)$$
C
The magnetic induction is zero
D
The magnetic vector potential is $${{{\mu _o}\,I} \over {2\,\pi }}\,\,\left( {{{{d_2}^2} \over {{d_1}^2}}} \right)$$
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Signals and Systems
Network Theory
Control Systems
Digital Circuits
General Aptitude
Electronic Devices and VLSI
Analog Circuits
Engineering Mathematics
Microprocessors
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Electromagnetics