Question is ⇒ When a potential is applied across an intrinsic semiconductor, holes flow, Options are ⇒ (A) towards positive terminal, (B) away from positive terminal, (C) in the external circuit only, (D) none of the above, (E) , Leave your comments or Download question paper.

Question is ⇒ When a potential is applied across an intrinsic semiconductor, holes flow, Options are ⇒ (A) towards positive terminal, (B) away from positive terminal, (C) in the external circuit only, (D) none of the above, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	When a potential is applied across an intrinsic semiconductor, holes flow
A.	towards positive terminal [Wrong Answer]
B.	away from positive terminal [Correct Answer]
C.	in the external circuit only [Wrong Answer]
D.	none of the above [Wrong Answer]
View Answer 1 -1 Explanation:- Answer : B 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 :

⇒ In a 3 phase full converter the average load current is 150 A. The average thyristor current is
150 A
75A
50 A
25 A

⇒ In 3 phase power measurement by two wattmeter method, the reading of one wattmeter is zero. The power factor of load is
1
0.5
0
0.8

⇒ Mc Murray full bridge inverter uses
4 thyristors and 2 diodes
4 thyristors and 4 diodes
8 thyristors and 4 diodes
8 thyristors and 8 diodes

⇒ When duct propagation exists
the line of sight and diffraction. Zone concepts are payable
the line of sight and diffraction zone concepts are not applicable
line of sight concept is applicable but diffraction zone concept is applicable
diffraction zone concept is not applicable but line of sight concept is not applicable

⇒ The direction of force an a conductor carrying current and lying in a magnetic field can be found by using
Fleming's left hand rule
Fleming's right hand rule
Cork screw rule
Any of the above

⇒ (11)₂ + (11)₃ = (11)_?
4
5
6
not possible

⇒ In the circuit of figure diode will con
from 90 to 180° in the positive half cycle
from 30° to 180° in the positive half cycle
from 50° to 160° in the positive half cycle
from 30° to 150° in the positive half cycle

⇒ Choose the correct statement/statements :
In case of an antenna, the antenna resistance and loss resistance are not two different quantities.
The loss resistance includes loss by eddy currents, improper earth connections, insulation leakages, etc., but not I²R losses.
Radiation resistance varies directly as square-root of frequency
None

⇒ In a current transformers
the number of turns in primary and secondary windings are nearly equal
the number of primary turns is very small as compared to number of secondary turns.
the number of secondary turns is very small as compared to the number of primary turns
either (a) or (c).

⇒ The dual of the function A(BC + BC + BC) is
A + (B + C) (B + C) (B + C)
A (BC + BC + BC)
C(BA + CA + CA)
ABC + ABC + ABC

⇒ Whenever a JFET operates above pinch-off voltage
depletion regions become smaller
drain current increase steeply
drain current starts decreasing
drain current remains nearly constant

⇒ Which of the following is not necessarily the advantages of a push pull amplifier?
It gives more output
It removes odd a well as even harmonics
There is no effect of ripple of the power supply
It consumes least power

⇒ The number of protons in germanium atom is
4
16
28
32

⇒ In the 2's complement Adder-Subtractor
sign magnitude numbers represent negative numbers
the sign magnitude numbers have "1" as leading bit
the sign magnitude numbers have '0' as leading bit
2's complement represents positive numbers

⇒ Vectored interrupt is an interrupt that takes the program to a vector location. TRAP vectors to 0024 FI, RST 7.5 to 003 CH, RST 6.5 to 0034 H and
RST 5.5
RST 6.5
24 H to 48 H
RST 5.5 to 002 CH

⇒ A transistor has two p-n junctions. The batteries should be connected such that
both junctions are forward biased
both junctions are reverse biased
one junction is forward biased and the other is reverse biased
either (a) or (b)

⇒ The carriers of n channel JFET are
free electrons and holes
holes
free electrons or holes
free electrons

⇒ A communication satellite is a repeater between
a transmitting station and a receiving station
a transmitting station and many receiving station
many transmitting station and many receiving station
none

⇒ In pulse code modulation when the maximum frequency in the signal is f_max the bandwidth required will be
≤ p.f_max
≥ p.f_max
≤ (p.f_max)²
≥ (p.f_max)²

⇒ The more negative gate voltage, the conductive channel becomes
narrower
wider
thicker
linear

⇒ An infinite ladder is constructed with 1 Ω and 2 Ω resistors shown be
8.18 A
0
0.375
can't determined

⇒ The active elements on the positive and negative plates of lead acid battery are:
lead peroxide and lead
lead and lead peroxide
lead peroxide and lead sulphate
lead and lead

⇒ In the circuit of figure v₁ = 8 V and v₂ = 0. Which diode will conduct (Assume ideal diod
D₁ only
D₂ only
Both D₁ and D₂
Neither D₁ nor D₂

⇒ A string variable in Basic is
an alphabet followed by dollar sign
a digit followed by dollar sign
either (a) or (b)
neither (a) nor (b)

⇒

Assertion (A): In register indirect addressing mode of 8085, the address of operand is in the specified register.

Reason (R): An example of register indirect addressing mode is MOV, A, M..

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 correct R is wrong
A is wrong R is correct

⇒ An image uses 512 x 512 picture elements. Each element can take any of eight distinguishable levels. The maximum entropy in the above image will be
2097152 bits
786432 bits
648 bits
144 bits

⇒ A system with input x[n] and output y[n] is given as y[n] = (sin 5/6 pn) x(n) The system is
linear, stable and invertible
non-linear, stable and non-invertible
linear stable, non invertible
linear, unstable, invertible

⇒ The logic circuit in the given figure realizes the func
(A + B + C) (D E)
(A + B + C) (D E)
(A + B + C) (D E)
(A + B + C) (D E)

⇒ Photo electric emission can occur only if the frequency of light is more than threshold frequency.
TRUE
FALSE

⇒ When a current flows through a conductor,
an electric field exists at all points within the conductor
electric field exists only at all points on the surface of the conductor
electric field exists only at ends of the conductor
any of the above depending on magnitude of current