In a tungsten filament lamp-A-the current at the instant of switching is less than operating currentB-the current at the instant of switching is more than operating currentC-the current at the instant of switching is equal to operating currentD-the current at the instant of switching may be less than or equal to operating current-D-the current at the instant of switching may be less than or equal to operating current

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APTITUDE CRACK · Accepted Answer

D the current at the instant of switching may be less than or equal to operating current Resistance at the time of switching on is minimum and increases due to increase of temperature.

Networks Analysis and Synthesis - Engineering

In a tungsten filament lamp

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Networks Analysis and Synthesis - Engineering

In a tungsten filament lamp

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