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Q188. The hot resistance of the bulb's filament is higher than its cold resistance because the temperature coefficient of the filament is ____.

Physics — Current Electricity — Question 188 of 484

A. Zero
B. Negative
C. Positive
D. About 2 ohms per degree

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The hot resistance of the bulb's filament is higher tha... | Physics MCQ #188 | Examora | Examora