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Recent questions tagged semiconductor

1 answer 18 views

Which is a semiconductor: copper, silicon, or neon?

asked Jul 1 by Shimroz123
1 answer 11 views

Compare intrinsic and extrinsic semiconductor

asked Sep 5, 2018 by Shimroz123
1 answer 8 views

Why is an intrinsic semiconductor doped?

asked Sep 4, 2018 by Shimroz123
1 answer 69 views

In a single crystal of an intrinsic semiconductor, the number of free carriers at the Fermi level at room temperature is: A) Half the total number of electrons in the crystal B) Zero C) Half the number of atoms in the crystal D) Half the number of free electrons in the crystal

asked Jun 18, 2018 in Semiconductor by Shimroz123
1 answer 23 views

At very high temperatures, extrinsic semiconductor becomes intrinsic semiconductor because (A) Of drive in diffusion of dopants & carriers. (B) Band to band transition dominates impurity ionization. (C) Impurity ionization dominates band to band transition. (D) Band to band transition is balanced by impurity ionisation.

asked Apr 28, 2018 in Physics by Shimroz123
1 answer 16 views

A snubber circuit is connected to the power semiconductor device to reduce the (A) turn-on time (B) turn-off time (C) electrical stresses (D) thermal resistance

asked Apr 28, 2018 in Electronics Engineering by Shimroz123
1 answer 16 views

The Semiconductor strain gauges typically have much higher gauge factors than those of metallic strain gauges, primarily due to : (A) higher temperature sensitivity (B) higher Poisson’s ratio (C) higher piezoresitive coefficient (D) higher magnetostrictive coefficient

asked Apr 26, 2018 in Electronics Engineering by Shimroz123
1 answer 20 views

What are the number of valence electrons of atoms in semiconductor?

asked Mar 9, 2018 in Electrical Engineering by Quiz
1 answer 29 views

what is semiconductor ?

asked Aug 6, 2017 in Electrical Engineering by Zeeshan
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