You are using a Geiger counter to measure the activity of a radioactive substance over the course of several minutes. If the rea
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Answer:
Applying Kirchhoff's current law at inverting terminal
Explanation:
Detailed explanation is given in the attached document.
Answer:
Resulting heat generation, Q = 77.638 kcal/h
Given:
Initial heat generation of the sphere,
Maximum temperature,
Radius of the sphere, r = 0.1 m
Ambient air temperature, = 298 K
Solution:
Now, maximum heat generation, is given by:
(1)
where
K = Thermal conductivity of water at
Now, using eqn (1):
max. heat generation at maintained max. temperature of 360 K is 24924
For excess heat generation, Q:
where
Now, 1 kcal/h = 1.163 W
Therefore,