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प्रश्न
An electron is projected along the axis of circular conductor carrying current I. Electron will experience ____________.
पर्याय
no force
a force perpendicular to the axis
a force at an angle of 30° with the axis
a force along the axis
MCQ
रिकाम्या जागा भरा
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उत्तर
An electron is projected along the axis of circular conductor carrying current I. Electron will experience no force.
Explanation:
The velocity of the electron is parallel or antiparallel to the magnetic field.
`"F" = "evB sin" theta`
`theta = 0° or 180°`
`therefore "F" = 0`
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Helical Motion
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