With increase in temperature, the electrical conductivity would
A). Increase in metals as well as in intrinsic semiconductor
B). Increase in metals but decrease in intrinsic semiconductor
C). Decrease in metals but increase in intrinsic semiconductor
D). Decrease in metals as well as in intrinsic semiconductor
Decrease in metals but increase in intrinsic semiconductor
2. On which of the following routine tests are conducted ?
3. At the base emitter junctions of a transistor, one finds ___________
4. Increasing the field or increasing the current will decrease the force on the conductor.
5. Which of the following is the poorest conductor of electricity ?
6. The type-2 system has ________ at the origin.
7. An instrument transformer is used to extend the range of
8. Oil switches are employed for
9. Which one of the following is not the function of pole shoes in a D.C. machine?