An electron in a television tube moves with a speed of 9.95x107 m/s, in a direction perpendicular to the Earth's field,

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answerhappygod
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An electron in a television tube moves with a speed of 9.95x107 m/s, in a direction perpendicular to the Earth's field,

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An electron in a television tube moves with a speed of 9.95x107m/s, in a direction perpendicular to the Earth's field, which has astrength of 5.00x10-5 T. You wish to make the electron travel in astraight line by having it pass between two charged parallel plateswhich are separated by a 5.49 cm distance. What must the potentialdifference across the plates be in order for the force from theelectric field generated by the plates to cancel out the magneticforce?
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