Question is ⇒ In degenerate <i>p</i> type semiconductor material, the Fermi level,, Options are ⇒ (A) is in the valence band, (B) is in conduction band, (C) is at the centre in between valence and conduction bands, (D) is very near conduction band, (E) , Leave your comments or Download question paper.

Question is ⇒ In degenerate <i>p</i> type semiconductor material, the Fermi level,, Options are ⇒ (A) is in the valence band, (B) is in conduction band, (C) is at the centre in between valence and conduction bands, (D) is very near conduction band, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	In degenerate p type semiconductor material, the Fermi level,
A.	is in the valence band [Correct Answer]
B.	is in conduction band [Wrong Answer]
C.	is at the centre in between valence and conduction bands [Wrong Answer]
D.	is very near conduction band [Wrong Answer]
View Answer 1 -1 Explanation:- Answer : A Discuss it below : !! OOPS Login [Click here] is required to post your answer/result Help other students, write article, leave your comments

Previous question Next question

Also Read Similar Questions Below :

⇒

Assertion (A): A DIAC has four layers but only two terminals.

Reason (R): A DIAC can conduct in both directions.

Both A and R are correct and R is correct explanation of A
Both A and R correct but R is not correct explanation of A
A is correct but R is wrong
A is wrong but R is correct

⇒ What is the correct sequence of the following step in the fabrication of a monolithic, Bipolar junction transistor?

Emitter diffusion
Base diffusion
Buried layer formation
E pi-layer formation

Select the correct answer using the codes given below:
3, 4, 1, 2
4, 3, 1, 2
3, 4, 2, 1
4, 3, 2, 1

⇒ Which is not a valid dimension statement?
DIMENSION KAT(10, 20)
DIMENSION BAT (30, 20)
DIMENSION KAT(K, 10)
DIMENSION BAT (10, 5)

⇒ The spins in a ferrimagnetic material are
all aligned parallel
partially aligned antiparallel without exactly cancelling out sublattice magnetisation
randomly oriented
all aligned antiparallel such that the sublattice cancels out exactly

⇒ Bode magnitude plot is drawn between
magnitude of network function and ω
dB magnitude and log ω
dB magnitude and ω
log_e (magnitude) and log ω

⇒ The discussing sharing of a communication satellite by many geographically dispersed Earth station, DAMA means
Demand-Assigned Multiple Access
Decibel Attenuated Microwave Access
Digital Analog Master Antenna
Dynamically-Assigned Multiple Access

⇒ An AC circuit has two branches in parallel. The current in one branch is 5 A. Then the current source
must be less than 5 A
must be more than 5 A
may be equal or more or less than 5 A
0.208333333333333

⇒ Which one of the following circuits is most suitable as an oscillator at a frequency of 100Hz?
Hartley oscillator
Colpitts oscillator
Crystal oscillator
Twin-T oscillator

⇒ The common gate amplifier has a characteristically __________ input resistance and a __________ output resistance.
low, low
high, high
low, high
high, low

⇒ Calculate the stability factor and change in I_c from 25°C to 100°C for, β = 50, R_B/R_E = 250, ΔI_CO = 19.9 nA for emitter bias configuration
42.553, 0.85 μF
40.91, 0.58 μF
38.53, 0.85 μF
41.10, 0.39 μF

⇒ If the target area is small compared to wavelength of radar the situation is called
resonance region
Rayleigh region
optical region
binomial region

⇒ Ferrites are
ferromagnetic materials
ferrimagnetic materials
ferroelectric materials
ferri-ferromagnetic materials

⇒ In the circuit, shown in figure, V₀ = V_i. The values of 1, m, n are: (x represents don't care conditi
0, 1, 1
∞, x, x
x, ∞, x
0, x, ∞

⇒ In figure we need an ac ground. The proper value of
1000 μF
100 μF
10 μF
1 μF

⇒ In the series circuit shown in figure, for series resonance, the value of the coupling coefficient, K wil
0.25
0.5
0.1
1

⇒ The early effect in BJT is caused by
fast turn on
fast turn off
large collector base reverse bias
large emitter base forward bias

⇒ Identify which of the following is not a tree of the graph shown in fi
bcgh
defg
abfg
aegh

⇒ In 8085 the instruction MOV A, M is an example of
Direct addressing
Immediate addressing
Register addressing
Register indirect addressing

⇒ A noise can be represented as superposition of spectral components. When this noise is passed through a narrow band filter, the output of filter should look like
sinusoidal
rectangular
triangular
none of the above

⇒ In a tape recorder the erase head is
engaged during playback but disengaged during recording
engaged both during recording and playback
disengaged both during recording and playback
engaged during recording but disengaged during playback

⇒ Radiation efficiency of an antenna is defined as the ratio of
Total power radiated by an antenna to the net power accepted by the antenna from the connected transmitter
The frequency at which minimum power is radiated to the frequency at which maximum power is radiated
Total power accepted from the transmitter to total power generated by the transmitter
Power in main lobe to that in the side lobe

⇒ A signal x₁(t) and x₂(t) constitute the real and imaginary parts respectively of a complex valued signal x(t). What form of waveform does x(t) possess?
Real symmetric
Complex symmetric
Asymmetric
Conjugate symmetric

⇒

Assertion (A): Thermistors are commonly used to measure hot spot temperatures in electric machines.

Reason (R): Thermistor has the advantages of high temperature coefficient, small size and high speed of response.

Both A and R are true and R is correct explanation of A
Both A and R are true but R is not correct explanation of A
A is true R is false
A is false R is true

⇒ For holding the drain current constant in spite of large changes in JFET parameters
current source bias is used
voltage divider bias is used
reverse bias is used
no bias is used

⇒ The system of the given fi
has two poles and one zero in left half plane
has two poles and one zero in right half plane
has two poles in left half plane and zero in right half plane
none of the above

⇒ The current gain of a BJT is
g_m r₀
g_m/r₀
g_m r_p
g_m/r_p

⇒ Consider the following network func
zero at origin
zero at infinity
pole at origin
pole at infinity

⇒ Conductivity σ, mobility μ and Hall coefficient K_H are related as
μ = σK_H
σ = μK_H
K_H = μσ
K_H =(μσ)^1.1

⇒

Assertion (A): A 4 input variable logic circuit can be implemented using a 8 : 1 multiplexer.

Reason (R): When a multiplexer is used as a logic function generator, the logic design is simple.

Both A and R are correct and R is correct explanation of A
Both A and R are correct but R is not correct explanation of A
A is true, R is false
A is false, R is true

⇒ When a unit step voltage drives a lag network the output
remains constant at unit step value
increases exponentially from zero to final value
decreases exponentially from 1 to 0
either (b) of (c) depending on values of R and C