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Sahay Sir > Question Answers > NCERT Exemplar Class 12 > Physics > Chapter 4 - Moving Charges and Magnetism > In a chamber, a uniform magnetic field of 6.5 G (1 G = 10^–4 T) is maintained. An electron is shot into the field with a speed of 4.8 × 10^6 m/s normal to the field. Explain why the path of the electron is a circle. Determine the radius of the circular orbit. (e =1.6 × 10^–19 C, me= 9.1×10^–31 kg)

In a chamber, a uniform magnetic field of 6.5 G (1 G = 10^–4 T) is maintained. An electron is shot into the field with a speed of 4.8 × 10^6 m/s normal to the field. Explain why the path of the electron is a circle. Determine the radius of the circular orbit. (e =1.6 × 10^–19 C, me= 9.1×10^–31 kg)

A long straight wire carries a current of 35 A. What is the magnitude of the field B at a point 20 cm from the wire? In a chamber