| ⇦ | 
| ⇨ |
A step down transformer is used on a 1000 V line to deliver 20 A at 120 V at the secondary coil. If the efficiency of the transformer is 80%, the current drawn from the line is
Options
(a) 3A
(b) 30 A
(c) 0.3 A
(d) 2.4 A
Correct Answer:
3A
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
Related Questions: - The wave described by y = 0.25 sin (10 2πx – 2πt), where x and y are in meters
- A man weighing 60 kg climbs a staircase carrying a 20 kg load on his hand
- Suppose for some reasons, radius of earth were to shrink by 1% of present value,
- A layer of colourless oil spreads on water surface. White light is incident on it
- When a wire of uniform cross-section a, length l and resistance R
Topics: Alternating Current
(96)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The wave described by y = 0.25 sin (10 2πx – 2πt), where x and y are in meters
- A man weighing 60 kg climbs a staircase carrying a 20 kg load on his hand
- Suppose for some reasons, radius of earth were to shrink by 1% of present value,
- A layer of colourless oil spreads on water surface. White light is incident on it
- When a wire of uniform cross-section a, length l and resistance R
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