| ⇦ | 
| ⇨ |
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: - A radioactive nucleus emits a beta particle. The parent and daughter nuclei are
- Four indentical thin rods each of mass M and length l, form a square frame
- A coil of 40 henry inductance is connected in series with a resistance of 8 ohm
- Eight drops of a liquid of density ρ and each of radius a are falling through air
- A polished metal plate has a rough and black-spot. It is heated to 1400 K
Topics: Alternating Current
(96)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A radioactive nucleus emits a beta particle. The parent and daughter nuclei are
- Four indentical thin rods each of mass M and length l, form a square frame
- A coil of 40 henry inductance is connected in series with a resistance of 8 ohm
- Eight drops of a liquid of density ρ and each of radius a are falling through air
- A polished metal plate has a rough and black-spot. It is heated to 1400 K
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