PHYSICS
JAMB 2001 - Question 41
Physics 2001 JAMB Past Questions - Question 41: 1. Low pressure II. High pressure III. High p.d. IV. Low p.d. Which combination of the above is true of the conduction of electricity through gases?
Choose the correct answers from the options given.
A:
B:
C:
D:
Correct Answer
A
Explanation
NP/NS=VP/VS;N/1000 =120/1200N=100 turnsThe conduction of electricity through gases typically involves the following combinations:
I. Low pressure
IV. Low p.d. (pressure difference)
In gaseous conductors, such as in gas discharge tubes or plasmas, electricity often flows more readily at low pressure, and a low pressure difference (voltage) is required to initiate and sustain the conduction. High pressure and high pressure difference (voltage) are not typically associated with the conduction of electricity through gases.
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