BASIC ELECTRICAL PRACTICE - Quiz

1) Which is conductor?

Wood Zinc Rubber Mica

2) What is the property of good conductor?

Must have low specific resistance Must have high dielectric strength Must have low tensile strength Must have low melting point

3) What is the advantage of stranded conductor compared to solid conductor?

More rigidity Flexibility High melting point High mechanical strength

4) What is the main property of an insulator?

Low resistance Low melting point High temperature co-efficient High dielectric strength

5) What is the voltage grading range of high voltage?

0V - 250V 650V - 33000V Above 33000V 250V - 650V