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A semiconductor is known to have an elec...

A semiconductor is known to have an electron concentration of `6xx10^(12)` per cubic centimeter and a hole concentration of `9xx10^(13)` per cubic centimeter. Is this semiconductor N-type or P-type ?

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To determine whether the given semiconductor is N-type or P-type, we can follow these steps: ### Step 1: Identify Electron and Hole Concentrations We are given: - Electron concentration (n) = \(6 \times 10^{12}\) cm\(^{-3}\) - Hole concentration (p) = \(9 \times 10^{13}\) cm\(^{-3}\) ### Step 2: Compare Electron and Hole Concentrations ...
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A semiconductor is known to have an electron concentration of 6xx10^(12) per cubic centimeter and a hole concentration of 8xx10^(13) per cubic centimeter. Is this semiconductor N-type or P-type ?

A semiconductor is known to have an electron concentration of 5x10^(12) cm^(-3) and a hole concentration 8x10^(13) cm^(-3) . (i)Is the semiconductor n-type of p-type ? (ii)What is the resistivity of the sample. If the electron mobility is 23,000 cm^(2)v^(-1)s^(-1) ' and hole mobility is 100cm^(2)v^(-1)s^(-1) ' Take charge on electron, e=.16x10^(-19)c.

A semiconductor has equal electron and hole concentration of 6xx10^(8)//m^(3) . On doping with certain impurity, electron concentration increases to 9xx10^(12)//m^(3) . (i) Identify the new semiconductor obtained after doping. (ii) Calculate the new hole concentration. (iii) How does the energy gap vary with doping?

What is the conductivity of a semiconductor sample having electron concentration of 5 xx 10^(18) m^(-3) hole concentration of 5 xx 10^(19) m^(-3) , electron mobility of 2.0 m^(2) V^(-1) s^(-1) and hole mobility of 0.01 m^(2) V^(-1) s^(-1)? (Take charge of electron as 1.6 xx 10^(-19)C)

What is the conductivity of a semiconductor sample having electron concentration of 5 xx 10^(18) m^(-3) hole concentration of 5 xx 10^(19) m^(-3) , electron mobility of 2.0 m^(2) V^(-1) s^(-1) and hole mobility of 0.01 m^(2) V^(-1) s^(-1)? (Take charge of electron as 1.6 xx 10^(-19)C)

In a pure semiconductor the number of conduction electrons is 6xx10^(19) per cubic metre.How many holes are there in a sample of size 1cmxx1cmxx1mm?

In a pure semiconductor, the number of conduction electron is 6xx10^(19) per cubic meter. How many holes are there in a sample of size 1 cm x 2 cm x 2mm ?

A crystal of intrinsic silicon at room temperature has a carrier concentration of 1.6xx10^(16)m^(-3) . If the donor concentration level is 4.8xx10^(20) m^(-3) , then the concentration of holes in the semiconductor is

In an intrinsic (pure) semiconductor, the number of conduction electrons is 7xx10^(19) per cubic meter. Find the total number of current carriers (electrons & holes ) in a same semiconductor of size 1 cm x 1 cm x 1mm.

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AAKASH INSTITUTE ENGLISH-SEMICONDUCTOR ELECTRONICS (MATERIAL, DEVICES AND SIMPLE CIRUITS )-TRY YOUR SELF
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  3. A semiconductor is known to have an electron concentration of 6xx10^(1...

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  5. What is the current through an ideal p-n junction diode shown in figur...

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  6. If in p-n junction diode a sinusoidal input signal is applied as shown...

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  7. In a reverse biased diode, when the applied voltage changes by 1V, the...

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  8. Potential drop across forward junction p-n diode is 0.7 V. If a batter...

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  9. Potential barrier developed in a junction diode opposes the flow of

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  10. A forward biased diode is

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  11. Application of forward bias to p-n junction

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  12. In a p-n junction having depletion layer of thickness 10^(-6) m the po...

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  13. Pickout the incorrect statement regarding reverse saturation current i...

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  14. The diode used in the circuit shown in the figure has a constant volta...

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  15. With an ac input from 50 Hz power line, the ripple frequency is

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  16. Freuency of given AC signal is 50 Hz. When it connected to a half - wa...

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  17. What is the output form of full-wave rectifier ?

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  18. In a Zener regulated power supply a Zener diode with V(Z) = 6.0 V is u...

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  19. The current in the forward bias is known to be more (-mA) than the cur...

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  20. Why are Si and GaAs are preferred materials for solar cells?

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