Conduction of Electricity Through; - Jamb Physics Past Questions and Answers

Question 6:

• JAMB 2010

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

Question 7:

• JAMB 2010

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

Question 8:

• JAMB 2010

In Faradays law of electrolysis, a graph of the mass deposited against the quantity of electricity is plotted. The slope of the graph gives

A. The energy released
B. The electrochemical equivalent
C. The current flowing
D. The charge released

Question 9:

• JAMB 2011

Under which of the following conditions do gases conduct electricity?

A. Low presssure and low p.d
B. Low pressure and high p.d
C. High pressure an low p.d
D. High pressure and high p.d

Question 10:

• JAMB 2012

A gas would serve as an electrical conductor under

A. Reduced pressure and high current
B. Increased magnetic field
C. Reduced pressure and reduced potential
D. Exposure to visible light