A) uranium-238
B) uranium-235
C) hydrogen
D) thorium
Correct Answer: B
Solution :
Key Idea: Potential difference across galvanometer and shunt is same. Let G be the resistance of the galvanometer and \[{{i}_{g}}\] the current which on passing through the galvanometer, produces full scale deflection. Since, G and S are in parallel
\[\therefore \] \[{{i}_{g}}\times G=(i-{{i}_{g}})\times S\] Note: It should be .noted that barium and krypton are the only isotopes to be obtained by the fission of \[{{U}^{235}}\]. Actually this is a very complicated phenomenon and more than 100 isotopes of over 20 different elements have been obtained by it.
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