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Grade: 12th pass
        
Position of point B where net magnetic field is zero
one month ago

Answers : (2)

Pooja
126 Points
							
The point will lie outside the system carrying current in opposite directions and nearer to smaller magnitude current.
 
Let its distance from wire B be x
So magnetic field in both upward and downward direction will be equal
 
I1/r1 = I2/r2
5/(6+x)=2/x
5x = 12 + 2x
x = 4 cm from wire B
 
 
29 days ago
Khimraj
2914 Points
							
 
I1/r1 = I2/r2
5/(6+x)=2/x
5x = 12 + 2x
x = 4 cm 
…............................................................
25 days ago
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