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What is the radius of the path of an electron (mass 9 × 10 -31 kg and charge 1.6 × 10 -19 C) moving at a speed of 3 × 10 7 m/s in a magnetic field of 6 × 10 -4 T perpendicular to it?

Options

  1. A2.8 cm
  2. B0.28 cm
  3. C0.028 cm
  4. D280 cm

Correct answer

A. 2.8 cm

Step-by-step solution

Correct Option is : (A) 2.8 cm

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