Question
Question: **1.** Find the magnetic field intensity due to a thin wire carrying current I in the Fig.- 
A
(p - a + tana)
B
(p - a)
C
(p + a )
D
(p + a - tan a)
Explanation
Solution
1. (1)
Barc =
(2p -2a), Bline= 
Bnet =
(p - a + tan a)
