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Question

# At a place the value of BH and BV are 0.4×10−4and 0.3×10−4respectively. The resultant earths magnetic field is :0.5×10−4T10−4T2×10−4T5×10−4T

A
0.5×104T
B
2×104T
C
104T
D
5×104T
Solution
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#### I=√BH2+BV2

1
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