| ⇦ | 
| ⇨ |
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: - Water flows through a pipe. The area of cross-section at one place A₁=10 cm²,
- Calculate the focal length of a reading glass of a person, if the distance
- In radioactive element, β-rays are emitted from
- A filament bulb (500W,100V) is to be used in a 230V main supply. When a resistance
- If two slits in Young’s experiment are 0.4 mm apart and fringe width on a screen
Topics: Alternating Current
(96)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Water flows through a pipe. The area of cross-section at one place A₁=10 cm²,
- Calculate the focal length of a reading glass of a person, if the distance
- In radioactive element, β-rays are emitted from
- A filament bulb (500W,100V) is to be used in a 230V main supply. When a resistance
- If two slits in Young’s experiment are 0.4 mm apart and fringe width on a screen
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