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Analog Electronics

Analog Electronics
In a transistor leakage current mainly depends on

Rating of transistor
Size of emitter
Doping of base
Temperature

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Analog Electronics
A semiconductor material is formed by

 Electrovalent bonds
None of these
 Metallic bonds
 Covalent bonds

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Analog Electronics
What will happen if doping of an intrinsic semiconductor with pentavalent impurity atom ?

 Fermi level fall
 Fermi level raises
 Fermi level not change
None of these

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Analog Electronics
Which of the following cannot actually move?

 Electrons
 Ions
 All the above
 Holes

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Analog Electronics
The cascade amplifier is a multistage configuration of

CE-CB
CC-CB
CB-CC
CE-CC

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Analog Electronics
Electron mobility is defined as

 Drift velocity per unit field
None of these
 Diffusion velocity per unit field
 the movement of electrons

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