yaksdedf8987 yaksdedf8987
  • 09-01-2024
  • Physics
contestada

A spark occurs at the tip of a metal needle if the electric field strength exceeds 3.0× 10^6 N/C, the field strength at which air breaks down.
a) True
b) False
c) Depends on the metal
d) Depends on the needle's shape

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