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Practice MCQs on transformers in physics, physics MCQs for online test prep. Alternating current quiz has multiple choice questions (MCQ), transformers in physics quiz questions and answers as if a secondary coil has 40 turns, and, a primary coil with 20 turns is charged with 50 v of potential difference, then potential difference in secondary coil would be, answer key with choices as 50 v in secondary coil, 25 v in secondary coil, 60 v in secondary coil and 100 v in secondary coil for competitive exam prep. Free study guide is to learn transformers in physics quiz online with MCQs to practice test questions with answers.

MCQ. If a secondary coil has 40 turns, and, a primary coil with 20 turns is charged with 50 V of potential difference, then potential difference in secondary coil would be

1. 50 V in secondary coil
2. 25 V in secondary coil
3. 60 V in secondary coil
4. 100 V in secondary coil

D

MCQ. In transformer, alternating current is induced in

1. primary coil
2. secondary coil
3. iron core
4. resistor

B

MCQ. A well designed transformer loses power under

1. 10%
2. 1.20%
3. 0.1%
4. 20%

C

MCQ. Ratio of voltages is equal to ratio of

1. iron sheets in core
2. coil
3. number of turns in coil
4. all of above

C

MCQ. Ratio of voltages is inverse ratio of the

1. transformer
2. resistor
3. iron core
4. current

D