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  • Two similar coils are kept mutually perpendicular such that their centres coincide at the centre. Find the ratio of the magnetic field of one coil to the resultant magnetic field by both coils if s

Two similar coils are kept mutually perpendicular such that their centres coincide at the centre. Find the ratio of the magnetic field of one coil to the resultant magnetic field by both coils if same current is flown.

Option: 1

1:\sqrt{2}


Option: 2

1:2


Option: 3

2:1


Option: 4

\sqrt 3:1


Answers (1)

best_answer

As we learnt

 

Concentric loops but their planes are at an angle \theta with each other -

 

B=\sqrt{B_{1}^{2}+ B_{2}^{2}+2B_{1}B_{2}\cos \Theta}

- wherein

 

 But,

B_{ net}=\sqrt 2 B

\frac{B}{B_{ net}}= \frac{1}{\sqrt{2}}

 

Posted by

vishal kumar

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