GO Electrical
0 votes
An incandescent lamp is marked $40$ $W$, $240$ $V$. If resistance at room temperature ($26$ $°C$) is $120$ $\Omega$, and temperature coefficient of resistance is $4.5\times 10^{-3}$ / $°C$, then its $ON$ state filament temperature in $°C$ is approximately _______
in Electrical Circuits by (9.2k points)
recategorized by

Please log in or register to answer this question.

Welcome to GATE Overflow, Electrical, where you can ask questions and receive answers from other members of the community.

847 questions
37 answers
10 comments
25,980 users