| ⇦ | 
| ⇨ |
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: - An alternating electric field, of frequency v, is applied across the dees (radius = R)
- Which of the following pairs is wrong
- An electric bulb has a rated power of 50W at 100 V. if it used on an a.c. source
- Temperature is a measurement of coldness or hotness of an object.
- The potential differences across the resistance, capacitance and inductance
Topics: Alternating Current
(96)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- An alternating electric field, of frequency v, is applied across the dees (radius = R)
- Which of the following pairs is wrong
- An electric bulb has a rated power of 50W at 100 V. if it used on an a.c. source
- Temperature is a measurement of coldness or hotness of an object.
- The potential differences across the resistance, capacitance and inductance
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