Published by:
CGP EDU Academic Team
Published on: August 14, 2026
A metal sample carrying a current along 
-axis with density 
is subjected to a magnetic field 
(along 
-axis). The electric field 
developed along 
-axis is directly proportional to 
as well as 
. The constant of proportionality has 
unit.
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
According to question
Constant of proportionality
[As 
(speed of light) and 
]
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