Who demonstrated by composition of electromagnetism and light that light is an electromagnetic wave?
A. Isaac Newton
B. Carlo Rubia
C. James Maxwell
D. Sheldon Glashow
Answer: Option C
A. Isaac Newton
B. Carlo Rubia
C. James Maxwell
D. Sheldon Glashow
Answer: Option C
What will be the total resistance of the three 20-Ω coils connected in series?
A. 40 Ω
B. 20 Ω
C. 60 Ω
D. 800 Ω
Superconductors are substances which
A. conduct electricity at lower temperature
B. offer high resistance to the flow of current
C. offer not resistance to the flow of current
D. conduct electricity at high temperature
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