At a certain place, the horizontal component ${B_0}$ and the vertical component ${V_0}$ of the earth's magnetic field are equal in magnitude. The total intensity at the place will be
At a certain place, the horizontal component ${B_0}$ and the vertical component ${V_0}$ of the earth's magnetic field are equal in magnitude. The total intensity at the place will be
- A
${B_0}$
- B
$B_0^2$
- C
$2{B_0}$
- D
$\sqrt 2 {B_0}$
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