| ⇦ | 
| ⇨ |
A transformer rated at 10 kW is used to connect a 5 kV transmission line to a 240 V circuit. The ratio of turns in the windings of a transformer
Options
(a) 5
(b) 20.8
(c) 104
(d) 40
Correct Answer:
20.8
Explanation:
A 5 kV has to be connected to a 240 V circuit. This is a step down transformer. The ratio of primary [5000 V / 240 V] = n(ᴘ) / n(ѕ). Primary has 20.8 times the turns in the secondary.
Related Questions: - Two circuits have a mutual inductance of 0.1 H. What average e.m.f. is induced
- The dimensional formula for Boltzmann’s constant is
- A sound absorber attenuates the sound level by 20 dB. The intensity decreases
- A current of 5 A is passing through a metallic wire of cross-sectional area 4×10⁻⁶ m².
- The original temperature of a black body is 727⁰C. The temperature at which this black
Topics: Electromagnetic Induction
(76)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Two circuits have a mutual inductance of 0.1 H. What average e.m.f. is induced
- The dimensional formula for Boltzmann’s constant is
- A sound absorber attenuates the sound level by 20 dB. The intensity decreases
- A current of 5 A is passing through a metallic wire of cross-sectional area 4×10⁻⁶ m².
- The original temperature of a black body is 727⁰C. The temperature at which this black
Topics: Electromagnetic Induction (76)
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