question: What are the effects of giving the filament a positive temperature coefficient ?
answer: helped stabilize the lamp 's power consumption , temperature and light output against minor variations in supply voltage
turker_answer: The effects of giving the filament a positive temperature coefficient helped stabilize the lamp 's power consumption , temperature and light output against minor variations in supply voltage .
rule-based: The effects of giving the filament a positive temperature coefficient are helped stabilize the lamp 's power consumption , temperature and light output against minor variations in supply voltage .