Class 10 Courses

Chapter 4: Class 10 Physics Exam Tests

Class 10 Physics MCQs - Chapter 4

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The Quiz MCQ: When the plane of the coil is perpendicular to the lines of magnetic force, the number of lines of magnetic force passing through the coil will be; "Electromagnetism" App (iOS & Android) with answers: Maximum; Minimum; Zero; to study online schools courses. Study Alternate Current Generator MCQ Questions, download Amazon eBook (Free Sample) for free online classes.

## Electromagnetism Exam Questions and Answers : Test 3

MCQ 11:

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

1. minimum
2. maximum
3. zero
4. none of above
MCQ 12:

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

1. current
2. force acting
3. magnetic field
4. none of above
MCQ 13:

If the secondary voltage is larger than the primary voltage, the transformer is called a

1. positive transformer
2. step-up transformer
3. negative transformer
4. step-down transformer
MCQ 14:

Lenz devised a rule to find out the direction of

1. current induced in a circuit
2. electromagnetic difference
3. potential difference
4. flow of power in fuse
MCQ 15:

The force on the wire is at right angles to both the direction on the magnetic field and the direction of the current. This is discovered by

2. Ampere
3. Fleming
4. Johns Burge