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Electronics and Communication Engineering - Networks Analysis and Synthesis - Discussion

Discussion Forum : Networks Analysis and Synthesis - Section 5 (Q.No. 27)
Networks Analysis and Synthesis
27.
In a tungsten filament lamp
the current at the instant of switching is less than operating current
the current at the instant of switching is more than operating current
the current at the instant of switching is equal to operating current
the current at the instant of switching may be less than or equal to operating current
Answer: Option
Explanation:

Resistance at the time of switching on is minimum and increases due to increase of temperature.

Discussion:
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