Related Questions

Given that, 24 carat gold is pure gold, 18 carat gold is 3/4th of pure gold and 20 carat gold is 5/6th of pure gold, the ratio of the pure gold in 18 carat gold to the pure gold in 20 carat gold is -
A 5 : 8
B 10 : 9
C 8 : 5
D 9 : 10
When a pentavalent impurity is added to a pure semiconductor, it becomes
A An insulator
B An intrinsic semiconductor
C p-type semiconductor
D n-type semiconductor
Extrinsic Semiconductor কোনটি?
A Si
B SiAs
C As
D কোনটিই নয়
The conductivity of an extrinsic semiconductor with temperature
A Decreases
B Increases
C Remains constant
D All of the above
When the temperature of an extrinsic semiconductor is increased, the pronounced effect is on
A Junction capacitance
B Minority carriers
C Majority carriers
D None of the above
As the doping to a pure semiconductor increases, the bulk resistance of the semiconductor ___________
A Remains the same
B Increases
C Decreases
D None of the above
Addition of pentavalent impurity to a semiconductor creates many
A Free electrons
B Holes
C Valence electrons
D Bound electrons
Addition of trivalent impurity to a semiconductor creates many
A Holes
B Free electrons
C Valence electrons
D Bound electrons
The antonym of the word extrinsic is:
A plenty
B extreme
C behind
D internal
INTRINSIC : EXTRINSIC
A intentional : unintentional
B vivid : dull
C real : simulated
D intentional : accidental

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