a
reduced pressure and high current
b
increased magnetic field
c
reduced pressure and reduced potential
d
exposure to visible light
Explanation
Correct Option
aVideo Explanation
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Discussions (4)
dimowocosmas
9 years ago
the explanation backing up their answer is outrightly wrong.ohms law apply only to metals
Johan55
2 years ago
No answer, The correct answer should be reduce pressure and increase voltage or P.d
