In a vertical magnetic field of B induction, a conductor is moving perpendicullar on filed, with constant speed.
What electromotive voltage is induced in conductor?
The conductor is occupying the transverse area with radius R.
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The induced electromotive voltage
The vectorial product vxB give the orientation to the induced electromotive voltage .
The active length l is obtained from Pitagora theorem:
Under sqrt, the factors sum is constant, =2R, and independent by t, then the product is maxim when the factors are equal:
t=R/v (meaning when the conductor passes through the circle center, that means that the active length is maxim)
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