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Transcribed Image Text:A 12.2-keV electron that is moving perpendicular to the Earth's
magnetic field, Bo = 50 μT, passes straight through the region
between oppositely charged parallel plates that are a distance,
d = 12.5 cm apart, without being deflected as shown in the figure.
31
kg.
(a) Find the speed of the electron, which has a mass of 9.11 × 10-³1 |
V = 6.55e7
m/s
(b) What is the strength of the uniform electric field between the plates?
0.3275
x kv/m
(c) What is the voltage across the plates?
2.62
x kv
(d) The bottom
V
plate is positively charged.
Bo
·
O
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