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The energy gap separating valence band f...

The energy gap separating valence band from a conduction band is 0.7 eV for a material Hence it is a

A

metal

B

Germanium semiconductor

C

Silicon semiconductor

D

Non-metal

Text Solution

Verified by Experts

The correct Answer is:
B
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BANSAL-SEMICONDUCTORS-Exercise-4
  1. Assuming that the junction diode is ideal, the current in arrangement ...

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  2. Find the gain of an amplifier using a transistor (BF 115) in common em...

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  3. The energy gap separating valence band from a conduction band is 0.7 e...

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  4. A transistor is connected in commono emitter configuration. The collec...

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  5. The cut-in voltage for silicon diode is approximately

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  6. A transistor have a beta a equal to 80 has a change in base current of...

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  7. The edge of a cube is a=1.2xx10^(-2) m. Then its volume will be record...

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  8. In a vernier callipers, n divisions of its main scale match with (n+1)...

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  9. A wire has a mass 0.3+-0.003g, radius 0.5+-0.005mm and length 6+-0.06c...

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  10. In Searle's experiment, the diameter of the wire as measured by a scre...

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  11. The pitch of a screw gauge is 1 mm and there are 100 division on the c...

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  12. Draw the circuit for experimental verification of Ohm's law using a so...

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  13. An unknown resistance X is to be determined using resistances R1, R2 o...

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  14. In a resonance column method, resonance occurs at two successive level...

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  15. The side of a cube is measured by vernier callipers (10 divisions of a...

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  16. Graph of position of image vs position of point object from a convex l...

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  17. In a screw gauge, the zero of mainscale coincides with fifth division ...

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  18. A student performs an experiment for determination of g [ = ( 4 pi^(2...

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  19. In an experiment to determine the focal length (f) of a concave mirror...

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  20. Some physical quantities are given in Column I and some possible SI un...

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