To prevent damage from lightning, lightning conductors are used on tall structures. The lightning conductor
A. should be made of a good conductor, like copper with sharp pointed edges
B. should be made of a good conductor but can be of any shape
C. should be in the form of a vertical rod
D. can be of any shape
Answer: Option B
Related Questions on Electricity and Magnetism
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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