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a p.d = V is applied between 22 coaxial conducting pipes of radii a and b , with b>a.the pipes are made of non magnetic material. a long straight wire current I is fixed along the axis of the 22 pipes.an electron leaves the inner cathodecathode pipes's surface with a negligible velocity.find the values of p.d V at which the electron can not outer pipe anodeanode

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Amit Saxena , 11 Years ago
Grade upto college level
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