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Study high school physics multiple choice questions (MCQs): strength of magnetic field is defined as, for online high school degree programs with options electric field lines passing the loop, no. of field lines passing through surface, current through surface, and no. of electrons passing a specific point per unit time, transformer quiz for online e-learning with secondary school learning and high school education with online student portal. Free physics study guide for online learning transformer quiz questions to attempt multiple choice questions based test.

MCQ: A transformer is needed to convert 200 V into a 10 V supply. If there are 1000 turns on primary coil, then number of turns on secondary coil is

1. 100
2. 2000
3. 75
4. 500

C

MCQ: Strength of magnetic field is defined as

1. no. of field lines passing through surface
2. electric field lines passing the loop
3. current through surface
4. no. of electrons passing a specific point per unit time

A

MCQ: When a coil rotated in magnetic field induced current in it

1. continuously changes
2. remains same
3. becomes zero
4. becomes maximum

A

MCQ: Simple coil placed in a magnet can not rotate more than

1. 30°
2. 45°
3. 90°
4. 60°

C

MCQ: Two forces which are equal in magnitude but opposite in direction form a

1. friction
2. couple
3. torque
4. work done

B