Q. A choke is generally used in series with fluorescent tube circuit to __.

A
Improve the power factor
B
Prevent flickering
C
To make high voltage for conduction
D
Suppress radio interference
Solution:
  • A choke is generally used in series with fluorescent tube circuit to make high voltage for conduction.
  • The purpose of the choke is to provide a very high voltage initially between the filaments.
  • The choke serves the purpose of stabilizing the electric flow of current in the fluorescent tube.
  • Without a choke the current would keep increasing without any limitation until it destroys the fluorescent tube.
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