The e/m ratio for electron was determine...

The e/m ratio for electron was determined by ……..

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`1.1` Thonson

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Knowledge Check

The ratio of charge to mass of an electron in coulombs per gram was determined by J.J. Thomson. He determined this ratio by measuring the deflection of cathode rays in electric and magnetic fields. What value did he find for this ratio?

A

`-1.76xx10^(8)` coulombs/g

B

`1.76xx10^(-8)` coulombs/g

C

`-1.76xx10^(10)` coulombs/g

D

`-1.76xx10^(-10)` coulombs/g

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