In a discharge tube, most of the gas is pumped out so that electricity is conducted at?
A
low voltage
B
steady voltage
C
high pressure
D
low pressure
Verified Correct Answer: D.
Physical Principles & Numerical Solution
pumping out of the gas in the discharge tube reduces the pressure inside the tube, therefore, electricity is conducted at low pressure
Source: WAEC / JAMB / NECO Classroom Archive (Record #14344)