Along straight wire ca1Tying a current of 30A is placed in an external uniform magnetic field of induction 
T. The magnetic field is acting parallel to the direction of current. The magnitude of the resultant magnetic induction in tesla at a point 2.0 cm away from the wire is 
:
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
Given: 
cm 
Magnetic field strength at a point 
due to current carrying wire,
The direction of 
will be perpendicular to 
. Hence, resultant field at
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