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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
- If R is the radius of earth, the height at which the weight of a body 1/4 of its weight
- An air core coil and an electric bulb are connected in series with an AC source.
- The velocity v of waves produced in water depends on their wavelength λ, the density
- The radioactivity of a certain material drops to 1/16 of the initial value in 2 hours.
- The instantaneous angular position of a point on a rotating wheel is given by
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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