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What uniform magnetic field, applied perpendicular to a beam of electrons moving at 1.60 x 10...

What uniform magnetic field, applied perpendicular to a beam of electrons moving at 1.60 x 10 6 m /s, is required to make the electrons travel in a circular arc of radius of 0.56 m? (Your result must be in multiples of 10 -5  Teslas and include 2 digit after the decimal point. That means if you get a result of a 9.22 x 10 -5 just type 9.22 in the answer box. Maximum of 5% of error is accepted in your answer.  Take elementary charge 1.6 x 10 -19 C and take mass of electron 9.1 x 10-31 kg.)

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