What would be the acceleration voltage that we have to apply in the e/m ratio apparatus,...

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Physics

What would be the acceleration voltage that we have to apply inthe e/m ratio apparatus, when the current in the Helmholtz coils isequal to 2 amp, to achieve a radius of 5 cm of the circle of theelectron path? Turns per Coil, N=132. Coil Radius, a=147.5mm.

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4.2 Ratings (539 Votes)
For an ideal Helmholtz pair the magnetic field at the center ofa coil is given by B 8 0 N I 55awhere 0 permeability of free space 4 x 107mTAN number of    See Answer
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