Question: In J. J. Thomsons first method (see Problem 3-46), the heat capacity of the beam stopper was about 5 x10 -3 cal/C and the temperature

In J. J. Thomson’s first method (see Problem 3-46), the heat capacity of the beam stopper was about 5 x10^-3 cal/°C and the temperature increase was about 2°C. How many 2000 eV electrons struck the beam stopper?

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