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An electron moves undeflected through an electric field and magnetic field, traveling at v = 170,000...

An electron moves undeflected through an electric field and magnetic field, traveling at v = 170,000 m/s. If the electric field strength E = 1.7 x 10^6 N/C, what is the magnitude of the magnetic field B?

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Answer #1

Given, velocity, v= 170,000m/s

          electric field, E= 1.7 N/C

from the formula, if magnetic feild is denoted by B-

           v= E/B

          B= E/v

            = 1.7/ 170,000

           = 10 T

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