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In a tungsten filament lamp | |
A. | the current at the instant of switching is less than operating current [Wrong Answer] |
B. | the current at the instant of switching is more than operating current [Wrong Answer] |
C. | the current at the instant of switching is equal to operating current [Wrong Answer] |
D. | the current at the instant of switching may be less than or equal to operating current [Correct Answer] |