Which of these relations is correct for magnetism?I = Total intensity of earth's magnetic field V = Vertical component of earth's magnetic field H =Horizontal component of earth's magnetic field
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a
I2=V2+H2
b
I=V+H
c
V=I2+H2
d
V2=I+H
answer is A.
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Detailed Solution
V = I sin θ -(i)H = I cosθ - (ii) squaring and adding above two equations V 2+H2= I2