| ⇦ | 
| ⇨ |
A transformer having efficiency of 90% is working on 200 V and 3kW power supply. If the current in the secondary coil is 6 A, then the voltage across the secondary coil and the current in the primary coil respectively are
Options
(a) 300 V, 15 A
(b) 450 V, 15 A
(c) 450 V, 13.5 A
(d) 600 V, 15 A
Correct Answer:
450 V, 15 A
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
Related Questions: - One mole of an ideal gas at an initial temperature of T K, does 6R joule of work
- A rod of 10 cm length is moving perpendicular to uniform magntic field of intensity
- Two positive ions, each carrying a charge q, are separated by a distance d
- A battery of e.m.f. E and internal resistance r is connected to an external resistance
- A capacitor of 10 µF charged upto 250 volt is connected in parallel with another
Topics: Alternating Current
(96)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- One mole of an ideal gas at an initial temperature of T K, does 6R joule of work
- A rod of 10 cm length is moving perpendicular to uniform magntic field of intensity
- Two positive ions, each carrying a charge q, are separated by a distance d
- A battery of e.m.f. E and internal resistance r is connected to an external resistance
- A capacitor of 10 µF charged upto 250 volt is connected in parallel with another
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