| ⇦ | 
| ⇨ |
The resistance of a bulb filament is 100 Ω at a temperature of 100⁰C. If its temperature coefficient of resistance be 0.005 per ⁰C, its resistance will become 200Ω at a temperature of
Options
(a) 200⁰C
(b) 300⁰C
(c) 400⁰C
(d) 500⁰C
Correct Answer:
400⁰C
Explanation:
Let Ro be the resistance of bulb filament at at 0°C,
Related Questions: - The number of photo electrons emitted for light of a frequency v
- Which one of the following electrical meter has the smallest resistance?
- How much work is required to carry a 6 μC charge from the negative terminal
- A disc of moment of inertia (9.8/π²) kg m² is rotating at 600 rpm. If the frequency
- Copper and carbon wires are connected in series and the combined resistor is kept
Topics: Current Electricity
(136)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The number of photo electrons emitted for light of a frequency v
- Which one of the following electrical meter has the smallest resistance?
- How much work is required to carry a 6 μC charge from the negative terminal
- A disc of moment of inertia (9.8/π²) kg m² is rotating at 600 rpm. If the frequency
- Copper and carbon wires are connected in series and the combined resistor is kept
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply