A magnetic field set up using Helmholtz coils (described in Exercise 4.16) is uniform in a small region and has a magnitude of 0.75 T. In the same region, a uniform electrostatic field is maintained in a direction normal to the common axis of the coils. A narrow beam of (single species) charged particles all accelerated through 15 kV enters this region in a direction perpendicular to both the axis of the coils and the electrostatic field. If the beam remains undeflected when the electrostatic field is 9.0 x 10-5 v m-1, make a simple guess as to what the beam contains. Why is the answer not unique?
A magnetic field set up using Helmholtz coils (described in Exercise 4.16) is uniform in a small region and has a magnitude of 0.75 T. In the same region, a uniform electrostatic field is maintained in a direction normal to the common axis of the coils. A narrow beam of (single species) charged particles all accelerated through 15 kV enters this region in a direction perpendicular to both the axis of the coils and the electrostatic field. If the beam remains undeflected when the electrostatic field is 9.0 x 10-5 v m-1, make a simple guess as to what the beam contains. Why is the answer not unique?
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![A magnetic field set up using Helmholtz coils (described in Exercise 4.16) is uniform in a
small region and has a magnitude of 0.75 T. In the same region, a uniform electrostatic
field is maintained in a direction normal to the common axis of the coils. A narrow beam
of (single species) charged particles all accelerated through 15 kV enters this region in a
direction perpendicular to both the axis of the coils and the electrostatic field. If the
beam remains undeflected when the electrostatic field is 9.0 x 10-5 v m-1, make a
simple guess as to what the beam contains. Why is the answer not unique?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa289e937-a083-447f-a236-cdb965828886%2Fd580a832-64b5-42eb-b6cb-57a7dbcb1475%2Fldq5hwi_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A magnetic field set up using Helmholtz coils (described in Exercise 4.16) is uniform in a
small region and has a magnitude of 0.75 T. In the same region, a uniform electrostatic
field is maintained in a direction normal to the common axis of the coils. A narrow beam
of (single species) charged particles all accelerated through 15 kV enters this region in a
direction perpendicular to both the axis of the coils and the electrostatic field. If the
beam remains undeflected when the electrostatic field is 9.0 x 10-5 v m-1, make a
simple guess as to what the beam contains. Why is the answer not unique?
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