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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
- Two slits in Young’s experiment have widths in the ratio 1:25. The ratio of intensity
- A wire of length L metre carrying a current I ampere is bent in the form
- A ball is dropped from a height of 20 cm. Ball rebounds to a height of 10cm
- In an L-C-R series resonant circuit, the capacitance is changed from C to 4C.
- A body weighs 50 grams in air and 40 grams in water. How much would it weigh in a liquid
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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