Class 10 Courses

Chapter 4: Class 10 Physics Exam Tests

Class 10 Physics MCQs - Chapter 4

Electromagnetism Trivia Questions & Answers PDF Download - 12

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The Quiz: When a coil rotates in a magnetic field, the induced current in it continuously changes from; "Electromagnetism" App APK Download with answers: Maximum to minimum value; Minimum to maximum value; Zero to maximum value; Maximum to zero; to study online schools courses. Practice Alternate Current Generator MCQ Questions, download Kindle eBook (Free Sample) for online study.

Electromagnetism Test Questions and Answers PDF Download: MCQ 12

MCQ 56:

When a coil rotates in a magnetic field, the induced current in it continuously changes from

  1. minimum to maximum value
  2. maximum to minimum value
  3. zero to maximum value
  4. maximum to zero
MCQ 57:

The number of coils in a transformer is

  1. 2
  2. 3
  3. 4
  4. 5
MCQ 58:

A simple method of finding the direction of the magnetic field around the conductor is the

  1. Ohm's law
  2. Joule's law
  3. left hand grip rule
  4. right hand grip rule
MCQ 59:

A high voltage transformer can reduce the voltage keeping the power

  1. low
  2. high
  3. zero
  4. constant
MCQ 60:

When a generator is connected in a closed circuit, the induced e.m.f generates

  1. electric current
  2. light
  3. potential difference
  4. electromagnetic difference

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