Gases - Jamb Physics Past Questions and Answers

Question 11:

• JAMB 2019

The conductivity of gases at low pressure can be termed as
I. hot cathode emission
II. thermo ionic emission
III. cold cathode emission
IV. Field emission

A. I & II
B. II & III
C. III & IV
D. IV & V

Question 12:

• JAMB 2019

Gases conduct electricity under

A. High pressure & high voltage
B. Low pressure & low voltage
C. Normal pressure & low voltage
D. Low pressure & high voltage