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ANALOG ELECTRONICS

Analog Electronics
A semiconductor material is formed by

 Electrovalent bonds
 Metallic bonds
 Covalent bonds
None of these

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Analog Electronics
The forbidden energy gap between valance band and conduction band in semiconductor material is about

 1eV
 0 eV
None of these
 15 eV

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Analog Electronics
N-type extrinsic semiconductor is obtained by adding

All of these
 pentavalent impurity
 tetravalent impurity
 trivalent impurity

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Analog Electronics
When Semiconductor materials is heated its resistance

 increases
 remains constant
 decreases
None of these

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Analog Electronics
Which of the following is Pentavalent impurity?

 boron
 antimony
 indium
 gallium

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