Basic Electricity Quiz Part-3

1. A copper conductor stretched to reduce diameter to half of its original value. What is be the resistance of same wire?

2. Semiconductors have __________________temperature co-efficient of resistance

3. Insulators have property of __________________ temperature co-efficient of the resistance

4. The potential difference of the energy source that provide 25 milli joule of energy for every one coulomb of charge  that flows in a circuit

5. Find the quantity of the charge delivered by an electrical source provides 200 V potential difference and 1000 joule of the work done.

6. The resistance of the conductor running in straight is independent to the ____________ conductor

7. Why eureka wire is widely used in heating element . Because it have ______________ temperature co-efficient of the resistance

8. The drift velocity of the electron is approximately equal to ___________

9. The specific resistance of a metallic conductor conductor ______________ with increase of the temperature

10. Conductivity of a conductor is reciprocal to