1. Take e/m to be the accepted value of 1.76-10¹¹ C/kg. For a plate voltage of 100 volts and a circular beam of radius 3.0 cm, what would you expect the required magnetic field B to be? Assume that the above magnetic field is produced by two Helmholtz coils, and assume that each coil has 119 turns, a radius of 106 mm, and a separation of 106 mm. What cur- rent I is required to achieve the expected magnetic field?

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1. Take e/m to be the accepted value of 1.76-10¹¹ C/kg. For a plate voltage of 100 volts
and a circular beam of radius 3.0 cm, what would you expect the required magnetic field
B to be?
Assume that the above magnetic field is produced by two Helmholtz coils, and assume
that each coil has 119 turns, a radius of 106 mm, and a separation of 106 mm. What cur-
rent I is required to achieve the expected magnetic field?
Transcribed Image Text:1. Take e/m to be the accepted value of 1.76-10¹¹ C/kg. For a plate voltage of 100 volts and a circular beam of radius 3.0 cm, what would you expect the required magnetic field B to be? Assume that the above magnetic field is produced by two Helmholtz coils, and assume that each coil has 119 turns, a radius of 106 mm, and a separation of 106 mm. What cur- rent I is required to achieve the expected magnetic field?
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