Recent questions tagged semiconductor

1 answer 15 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 19 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
To see more, click for the full list of questions or popular tags.

Welcome to here you can ask questions related to electrical, electronics, mechanical, telecommunication, instrumentation, computer, mathematics, physics etc.
Be respectful to all the members. Do not copy and paste the answers from other websites which have copyright content. While asking question give full details about it.


Most popular tags

power motor dc circuit transformer voltage current used system phase resistance factor synchronous load ac energy induction electric generator series frequency between speed capacitor use electrical meter line difference control type mosfet transmission magnetic plant high single instrument bjt unit source advantages function diode and machine winding field define torque parallel amplifier supply shunt thyristor motors electricity arduino maximum time relay armature problem value on transformers types coil diagram state flow ratio material three formula starting direction theorem method emf operating efficiency digital wave microprocessor test instruments inductance loss measure operation connected signal low applications effect single-phase network temperature working constant losses different law wattmeter measuring compare controlled breaker drive device logic rc full switch flux wire resistivity disadvantages free of materials machines angle force converter conductor transistor gain open protection scr core measurement number bridge principle generators reactance circuits negative the friction iron loop short pole battery conservation steam resistors hysteresis computer using analog lines secondary station gate a rectifier inverter linear induced relays nuclear capacitance basic characteristics design direct work rotor electronics ammeter forces diesel damping rlc connection factors capacitors minimum insulation moving regulation running self systems air fault range main stability quality starter igbt eddy alternator ideal rl average 3-phase plants arc thermal error fuzzy biasing dielectric pressure balanced superposition errors copper rotation feedback impedance measured electronic electrons charge inductive transfer explain start off back curve over solar is three-phase tariff locomotive peak bias zener engineering commutator surge conductors rating universal potentiometer density permanent mechanical transducer capacity memory adc excitation two fuse pure harmonics application semiconductor inductor internal pmmc reaction welding resonance traction permeability breakers rms designed electromagnetic si generation brushes switching capacitive shaded rate 1 distribution resistor methods delta star oscillator reluctance simplification algebra 8085 boolean weston dynamometer insulating strength installation definition fuel heating earth units

8,450 questions

7,047 answers


3,085 users