Discussion :: Network Analysis and Synthesis
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In a tungsten filament lamp
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A.
the current at the instant of switching is less than operating current
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B.
the current at the instant of switching is more than operating current
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C.
the current at the instant of switching is equal to operating current
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D.
the current at the instant of switching may be less than or equal to operating current
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Answer : Option D
Explanation :
Resistance at the time of switching on is minimum and increases due to increase of temperature.
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