Electromagnetism MCQs, electromagnetism quiz answers 3 to learn high school online courses. Practice transformer multiple choice questions (MCQs), electromagnetism quiz questions and answers for physics class. Free e-learning tutorial on alternate current generator, magnetic effects of steady current, transformer, lenz law, force on a current carrying conductor and magnetic field test prep for online general physics courses distance learning.

Study high school physics multiple choice questions (MCQs): if we grasp a wire with right hand such that thumb pointed in direction of current, then curling fingers of hand will point the, for online high school degree programs with options direction of force acting, direction of current, direction of magnetic field, and none of the above, transformer quiz for online distance education for virtual schools, private schools and public schools students. Free physics study guide for online learning transformer quiz questions to attempt multiple choice questions based test.

MCQ: When plane of coil is perpendicular to lines of magnetic force, number of lines of magnetic force passing through coil will be

1. minimum
2. maximum
3. zero
4. can not be determined

B

MCQ: If we grasp a wire with right hand such that thumb pointed in direction of current, then curling fingers of hand will point

1. direction of current
2. direction of force acting
3. direction of magnetic field
4. none of the above

C

MCQ: If secondary voltage is larger than primary voltage, transformer is called a

1. positive transformer
2. step-up transformer
3. negative transformer
4. step-down transformer

B

MCQ: Lenz devised a rule to find out direction of

1. current induced in a circuit
2. electromagnetic difference
3. potential difference
4. flow of power in fuse

A

MCQ: Force on wire is at right angles to both direction on magnetic field and direction of current. This is discovered by