Solving a problem in physics section 61 point 39 electr

Solving a problem in physics section 61 point 39 electr

39. An electron passes accelerating potential difference of 1 kV and flies in a uniform magnetic field with the induction of 10 mT at an angle of 30 ° to the lines of force. Determine the radius of the helix along which will move an electron.

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Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)