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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 block is moving up an inclined plane of inclination 60° with velocity of 20 ms⁻¹
- If radius of the ₁₃Al²⁷ nucleus is taken to be Rᴀı, then the radius of ₅₃Te¹²⁵ nucleus
- Find out the e.m.f. produced when the current changes from 0 to 1 A in 10 sec.
- If, an electron in hydrogen atom jumps from an orbit of level n=3 to an orbit
- IF A⃗ and B⃗ are two vectors and θ is the angle between them
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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