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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 spherical conductor of radius 2 m is charged to a potential of 120 V. It is now
- The electric current in AC circuit is given by the relation i-3 sinωt+4 cos ωt.
- A block of mass M is attached to the lower end of a vertical spring
- A body of length 1 m having cross-sectional area 0.75 m² has heat flow through it
- A coil of N turns and mean cross-sectional area A is rotating with uniform angular
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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