Question

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 the ratio of concentrations of electrons and
holes will be
(a) 5/7 (b) 7/5
(c) 25/49 (d) 49/25

Answer 1

Answer:

pls mark as brainlist answer

Answer 2

HY Dude ur answer is

Plz see this attachment

Hope it helps!!

Mark me as brainliest