Practice transformers in physics MCQs, A level physics test for online courses learning and test prep. Alternating current quiz has multiple choice questions (MCQ), transformers in physics quiz questions and answers to learn.

GCE physics practice test MCQ on 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 with options 50 v in secondary coil, 25 v in secondary coil, 60 v in secondary coil and 100 v in secondary coil problem solving skills for viva, competitive exam prep, interview questions with answer key. Free study guide is for online learning transformers in physics quiz 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 the potential difference in the 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