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  • A beam of particles pass through a mutually perpendicular electric and magnetic fields undeflected with the speed

A beam of \alpha particles pass through a mutually perpendicular electric and magnetic fields undeflected with the speed 1.5 \times 10^8 \:cm/s. If the electric field is 90\: kV \: m^{-1} , the magnetic field in the region is
 

Option: 1

6 \times 10^{-4} T

 


Option: 2

6 \times 10^{-2} T


Option: 3

6 \times 10^{-3} T


Option: 4

6 \times 10^{-6} T


Answers (1)

best_answer

Answer (2)

V=\frac{E}{B}

Posted by

Irshad Anwar

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