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A step-up transformer operates on a 230 V line and supplies a current of 2 A. The ratio of primary and secondary winding is 1:25. The primary current is
Options
(a) 12.5 A
(b) 50 A
(c) 8.8 A
(d) 25 A
Correct Answer:
50 A
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Alternating Current
(96)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A rectangular copper coil is placed in a uniform magnetic field of induction 40 mT
- The maximum kinetic energy of the photoelectrons depends only on
- A polished metal plate has a rough and black-spot. It is heated to 1400 K
- A sample of HCl gas is placed in an electric field of 5 x 10⁴ N/C
- A satellite is revolving around the earth with a kinetic energy E. The minimum
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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