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KCET Magnetism and Matter — practice questions — page 3

Explore 71 free Magnetism and Matter questions in KCET Physics. Open each question or exercise to read its content, reference answers and available explanation.

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Magnetism and Matter questions and exercises with answers

Showing questions 61–71 of 71.

Odd one out: magnetismRead the answer and worked solution →Depends on speed or notRead the answer and worked solution →True of the magnetic forceRead the answer and worked solution →Symbol to quantityRead the answer and worked solution →Which is largerRead the answer and worked solution →Field and force directionsRead the answer and worked solution →Currents make fieldsRead the answer and worked solution →Count and computeRead the answer and worked solution →Odd one out: what a current doesRead the answer and worked solution →Zero work, changing directionRead the answer and worked solution →Moving charges, mixed checkRead the answer and worked solution →

Worked practice questions

Odd one out: magnetism

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Questions
  1. Items
    1. Lorentz force
    2. Photosynthesis
    3. Biot-Savart
    4. Cyclotron
    Odd item
    Photosynthesis
  2. Items
    1. Magnetic field B
    2. Electric field E
    3. Refractive index
    4. Current I
    Odd item
    Refractive index
  3. Items
    1. Tesla
    2. Ampere
    3. Newton
    4. Mole
    Odd item
    Mole
Instructions
Tap the one that does not belong.
_Source: syllabus Physics Part 1, Ch 4 'Moving Charges and Magnetism' (leph104)_

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Depends on speed or not

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Left
Depends on speed
Items
  1. Item
    Cyclotron freq.
    Answer
    Independent of speed
  2. Item
    Magnetic force
    Answer
    Depends on speed
  3. Item
    Orbit radius
    Answer
    Depends on speed
  4. Item
    qB over 2 pi m
    Answer
    Independent of speed
  5. Item
    v cross B term
    Answer
    Depends on speed
  6. Item
    Charge to mass
    Answer
    Independent of speed
Right
Independent of speed
Instructions
Swipe the card right or left into its group.
_Source: syllabus Physics Part 1, Ch 4 'Moving Charges and Magnetism' (leph104)_

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True of the magnetic force

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Questions
  1. Items
    1. Text
      Normal to v
      Matches the category
      Yes
    2. Text
      Does zero work
      Matches the category
      Yes
    3. Text
      Needs motion
      Matches the category
      Yes
    4. Text
      Changes speed
      Matches the category
      No
    5. Text
      Acts on rest
      Matches the category
      No
    6. Text
      Is always qE
      Matches the category
      No
    Category
    True of the magnetic force
Instructions
Tap every item that fits the category. Leave the rest.
_Source: syllabus Physics Part 1, Ch 4 'Moving Charges and Magnetism' (leph104)_

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