The hot resistance of the bulb’s filament is higher than its cold resistance because the temperature co-efficient of the filament is________?

Academy of PakistanTest & Learning

804Active Users

Academy of PakistanTest & Learning

804Active Users

3346Electrical EngineeringMedium

Apositive

Babout 2 ohms per degree

Czero

Dnegative

Correct answer

A. positive

Explanation

The correct answer is positive.

The hot resistance of the bulb’s filament is higher than its cold resistance because the temperature co-efficient of the filament is________? - Answer and Explanation | Academy of Pakistan