Learn electromagnetism MCQs, grade 10 physics test 17 for online learning courses and test prep. Transformer multiple choice questions (MCQs), electromagnetism quiz questions and answers include physics worksheets for online mastering physics courses distance learning.

Physics multiple choice questions (MCQ): if ac source is 240 v and a transformer supplies 12 v to a model train which draws current of 0.8 then primary current is with options 0.04 a, 0.4 a, 1 a and 2 a, transformer quiz for teachers on net with online teaching resources for physics teachers with physics practice. Free physics study guide to learn transformer quiz to attempt multiple choice questions based test.

MCQ: If AC source is 240 V and a transformer supplies 12 V to a model train which draws current of 0.8 A then primary current is

1. 0.4 A
2. 0.04 A
3. 1 A
4. 2 A

B

MCQ: Phenomenon of induction of induced current in one coil due to change of current in a neighboring coil is called

1. flow of power in fuse
2. mutual induction
3. speed of relative motion of coil
4. speed of relative motion of magnet

B

MCQ: If we increase number of loops, turning effect would

1. increase
2. decrease
3. remain same
4. become zero

A

MCQ: A coil of wire consisting of many loops is known as

1. magnet
2. solenoid
3. photon
4. pole

B

MCQ: As per Michael Faraday, if forefinger points direction of magnetic field, middle finger in direction of current, then thumb would indicate

1. direction of force acting on the conductor
2. direction of magnetic field
3. both A and B
4. none of the above

A