| ⇦ | 
| ⇨ |
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: - A vibrating string of certain length l under a tension T resonates with a mode
- The dimensions of mobility of charge carriers are
- A current of 2 A is made to flow through a coil which has only one turn. The magnetic
- When a ceiling fan is switched on, it makes 10 revolutions in the first 3s
- One coolie takes 1 minute to raise a suitcase through a height of 2 m
Topics: Current Electricity
(136)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A vibrating string of certain length l under a tension T resonates with a mode
- The dimensions of mobility of charge carriers are
- A current of 2 A is made to flow through a coil which has only one turn. The magnetic
- When a ceiling fan is switched on, it makes 10 revolutions in the first 3s
- One coolie takes 1 minute to raise a suitcase through a height of 2 m
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