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A step-down transformer has 50 turns on secondary and 1000 turns on primary winding. If a transformer is connected to 220 V, 1 A AC source, then what is output current of the transformer?
Options
(a) 1/20 A
(b) 20 A
(c) 100 A
(d) 2A
Correct Answer:
20 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 ball is thrown vertically downwards from a height of 20 m with an initially
- If wavelength of a wave is λ=6000 Å, then wave number will be
- A body of mass 1 kg is thrown upwards with a velocity 20 m/s. It momentarily
- An engine has an efficiency of 1/6. When the temperature of sink is reduced
- The fundamental frequency of a closed organ pipe of length 20 cm is equal to the second
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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