Q.
Find the conductivity of intrinsic Silicon at 300 K. It is given that ni at 300 K in Silicon is 1.5×1010 cm-3 and the mobilities of electrons and holes in Silicon are 1300 cm2 V-1s-1 and 500 cm2/ V-s respectively
see full answer
Start JEE / NEET / Foundation preparation at rupees 99/day !!
21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!
An Intiative by Sri Chaitanya
a
4.32×10-6 mho/cm
b
2.32×10-5 mho/cm
c
3.42×10-8 mho/cm
d
1.32×10-5 ohm/cm
answer is A.
(Unlock A.I Detailed Solution for FREE)
Ready to Test Your Skills?
Check your Performance Today with our Free Mock Test used by Toppers!
Take Free Test
Detailed Solution
conductivity of a semiconductor is σ=nieμe+μh where ni= the intrinsic carrier density and μe and μh is the mobility of the electons and holes respectively here, σ=1.5×1010×1.6×10-191300+500σ=4.32×10-6 ohm-1cm-1
Watch 3-min video & get full concept clarity