21) What is the use of Eureka wire ?
Answer is:
Rheostat
Related Conductors and Insulation MCQ - Electrician (Set-1) with Answers
Answer is:
copper wire
Explanation:
Key Properties of Copper
Excellent heat conductivity.
Excellent electrical conductivity.
Good corrosion resistance.
Good biofouling resistance.
Good machinability.
Retention of mechanical and electrical properties at cryogenic temperatures.
Non-magnetic
Answer is:
Micrometer
Answer is:
Silver
Answer is: