A proton, that is accelerated from rest through a potential of 55 kV enters the velocity filter, consisting of a parallel-plate capacitor and a magnetic field, shown below. What is the proton's speed? Take mp = 1.67 × 10-27 kg and e = 1.6 × 10-19 C. P X 18||| B The magnetic field, B = The speed, v = The E-field between the plates is 2.2 × 105 N/C. What B-field is required so that the protons are not deflected? Units Select an answer Units Select an answer

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Chapter24: Magnetic Fields
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A proton, that is accelerated from rest through a potential of 55 kV enters the velocity filter, consisting of
a parallel-plate capacitor and a magnetic field, shown below. What is the proton's speed? Take
mp 1.67 × 10-27 kg and e = = 1.6 × 10-¹⁹ C.
P
=
E
The magnetic field, B =
(x)
B
(x)
The speed, v =
The E-field between the plates is 2.2 × 105 N/C. What B-field is required so that the protons are not
deflected?
Units Select an answer ✓
X
Units Select an answer ✓
Transcribed Image Text:A proton, that is accelerated from rest through a potential of 55 kV enters the velocity filter, consisting of a parallel-plate capacitor and a magnetic field, shown below. What is the proton's speed? Take mp 1.67 × 10-27 kg and e = = 1.6 × 10-¹⁹ C. P = E The magnetic field, B = (x) B (x) The speed, v = The E-field between the plates is 2.2 × 105 N/C. What B-field is required so that the protons are not deflected? Units Select an answer ✓ X Units Select an answer ✓
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