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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: - In semiconductor at a room temperature
- When a mass M is attached to a spring of force constant K,
- Two coils have the mutual inductance of 0.05 H.
- A body is moving in a vertical circle. The string must remain taut at the highest point
- The transverse nature of electromagnetic waves is proved by which of the following?
Topics: Alternating Current
(96)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- In semiconductor at a room temperature
- When a mass M is attached to a spring of force constant K,
- Two coils have the mutual inductance of 0.05 H.
- A body is moving in a vertical circle. The string must remain taut at the highest point
- The transverse nature of electromagnetic waves is proved by which of the following?
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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