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Q)
A long straight wire along the Z-axis carries a current 'I' in the negative Z-direction . The induced magnetic field B at a point having coordinates (x,y) is
(
1
)
μ
0
I
(
X
¯
i
−
Y
¯
j
)
2
π
(
x
2
+
y
2
)
(
2
)
μ
0
I
(
X
¯
j
−
Y
¯
i
)
2
π
(
x
2
+
y
2
)
(
3
)
μ
0
I
(
X
¯
i
+
Y
¯
j
)
2
π
(
x
2
+
y
2
)
(
4
)
μ
0
I
(
Y
¯
i
−
X
¯
j
)
2
π
(
x
2
+
y
2
)
Share
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