Identify the expression for horizontal component from the following.(a) BH=Bcosδ(b) B=BH cosδ(c) BH=\(\frac {B}{cos \delta }\)(d) BH=2BcosδI have been asked this question during a job interview.The origin of the question is Earth’s Magnetism topic in division Magnetism and Matter of Physics – Class 12

Identify the expression for horizontal component from the following.(a

1.	Identify the expression for horizontal component from the following.(a) BH=Bcosδ(b) B=BH cosδ(c) BH=\(\frac {B}{cos \delta }\)(d) BH=2BcosδI have been asked this question during a job interview.The origin of the question is Earth’s Magnetism topic in division Magnetism and Matter of Physics – Class 12
Answer» RIGHT option is (a) BH=Bcosδ The EXPLANATION is: Horizontal COMPONENT is a component of Earth’s magnetic FIELD along the horizontal direction in the magnetic meridian. It is denoted by BH. If B is the intensity of Earth’s TOTAL magnetic field, then the horizontal component of Earth’s magnetic field is given by: BH=Bcosδ

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