- Have any questions?
- [email protected]
- Home
- In less than a year of research, Maxim had installed an electrical arc lighting system in the company.
Question 1:
In less than a year of research, Maxim had installed an electrical arc lighting system in the company. Edison*^*had observed this process and decided to invent an ....... lamp. A. inexpiable
B. incandescent
C. integrity
D. inevitable
These questions are from this test. Would you like to take a practice test?