A) \[{{10}^{7}}\] volt
B) 10 volt
C) \[{{10}^{6}}\] volt
D) none of these
Correct Answer: A
Solution :
\[e=B\upsilon l\] ?(i) Here: \[B=10\,T,\upsilon =200km/\sec \] \[=2\times {{10}^{5}}\,m/\sec ,\,l=5m\] Putting given values is eq (i) \[\therefore \,\,\,\,\,\,\,\,\,\,e=10\,\times 2\times {{10}^{5}}\,\times 5\] \[=1\times {{10}^{7}}\,volt\]
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