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AP Intermediate 2nd Year Moving Charges and Magnetism — practice questions — page 7

Explore 188 free Moving Charges and Magnetism questions in AP Intermediate 2nd Year Physics. Open each question or exercise to read its content, reference answers and available explanation.

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Moving Charges and Magnetism questions and exercises with answers

Showing questions 181–188 of 188.

The tip of a magnet pointing to geographic north is its:Read the answer and worked solution →Magnetic field lines of a bar magnet form:Read the answer and worked solution →Materials are classified by which quantity?Read the answer and worked solution →A bismuth bar near a strong magnet on the lab table is:Read the answer and worked solution →Work done by a magnetic forceRead the answer and worked solution →Match the magnetism termRead the answer and worked solution →The magnetic force on a charge $q$ moving with velocity $\vec{v}$ in a magnetic field $\vec{B}$ isRead the answer and worked solution →The magnetic field at a distance $r$ from a LONG STRAIGHT wire carrying current $I$ isRead the answer and worked solution →

Worked practice questions

The tip of a magnet pointing to geographic north is its:

  1. Equator
  2. North pole
  3. South pole
  4. Blank pole
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Correct answer: B. North pole

1. A suspended magnet has two distinguishable ends. 2. They are named by the direction each one seeks. 3. The end seeking geographic north is the north pole. 4. So the answer is north pole. _Source: syllabus Physics, Ch 5 'Magnetism and Matter'_

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Magnetic field lines of a bar magnet form:

  1. Closed loops
  2. Open curves
  3. Straight rays
  4. Single points
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Correct answer: A. Closed loops

1. Electric dipole lines begin and end on charges. 2. Magnetic lines have no such starting charge. 3. They form closed loops instead. 4. So the answer is closed loops. _Source: syllabus Physics, Ch 5 'Magnetism and Matter'_

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Materials are classified by which quantity?

  1. Field strength
  2. Magnetic poles
  3. Domain colours
  4. Susceptibility
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Correct answer: D. Susceptibility

1. One number measures how a material responds to a field. 2. Its sign and size separate the three classes. 3. That number is the magnetic susceptibility. 4. So the answer is susceptibility. _Source: syllabus Physics, Ch 5 'Magnetism and Matter'_

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