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A piece of copper and another of germani...

A piece of copper and another of germanium are cooled from room temperature to `80 K`. The resistance of

A

increase

B

decrease

C

copper's increase and Germenium's decrease

D

copper's decrease and Germenium's increase

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The correct Answer is:
D
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MOTION-SEMI CONDUCTOR AND LOGIC GATES-EXERCISE 2
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  8. In the circuit shown in figure, Voltage V0 is–

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  9. Determine current I in the configuration –

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  10. In the given circuit V(01) " and " V(02) are -

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  11. A cube of germanium is placed between the poles of a magnet and a volt...

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  12. A full wave rectifier circuit along with the output is shown in the fo...

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  13. In the given figure potential difference between A and B is -

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  14. In figure the current supplied by the battery is -

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  16. The temperature coefficient of resistance of a semiconductor

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  17. A piece of copper and another of germanium are cooled from room temper...

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