Electronics-I Physics Test Series IIT JEE

Test Preparation on Electronics-I-Physics Test Series IIT JEE-2020

1.

A solid reflects incident light and it’s electrical conductivity decreases with temperature. The binding in this solids-

1Ionic
2Covalent
3Metallic
4Molecular

2.

A piece of copper and the other of germanium are cooled
from the room temperature to 80 K, then which of the
following would be a correct statement

1Resistance of each increases
2Resistance of each decreases
3Resistance of copper increases while that of germanium decreases
4Resistance of copper decreases while that of germanium increases

3.

11
22
33
44

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