| ⇦ | 
| ⇨ |
An air core coil and an electric bulb are connected in series with an AC source. If an iron rod is put in the coil, then the intensity of light of the bulb will
Options
(a) remain same
(b) increase
(c) decrease
(d) first decrease then increase
Correct Answer:
decrease
Explanation:
If an iron rod is puts in the coil, then intensity of light of bulb will decrease because the iron rod increase the resistance.
Related Questions: - Two resistors of resistances 2Ω and 6Ω are connected in parallel.
- The primary and secondary coil of the transformer have 50 and 1500 turns respectively
- For inelastic collision between two spherical rigid bodies
- A body takes 5 minute for cooling from 50⁰C to 40⁰C. Its temperature
- A wire mesh consisting of very small squares is viewed at a distance
Topics: Alternating Current
(96)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Two resistors of resistances 2Ω and 6Ω are connected in parallel.
- The primary and secondary coil of the transformer have 50 and 1500 turns respectively
- For inelastic collision between two spherical rigid bodies
- A body takes 5 minute for cooling from 50⁰C to 40⁰C. Its temperature
- A wire mesh consisting of very small squares is viewed at a distance
Topics: Alternating Current (96)
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