The ratio of electron and hole currents in a semiconductor is \[7/4\] – McqOptions

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1.	The ratio of electron and hole currents in a semiconductor is \[7/4\] and the ratio of drift velocities of electrons and holes is \[5/4,\] then ratio of concentrations of electrons and holes will be
A.	\[5/7\]
B.	\[7/5\]
C.	\[25/49\]
D.	\[49/25\]
Answer» C. \[25/49\]

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