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Karnataka PUC II Moving Charges and Magnetism — practice questions — page 3

Explore 193 free Moving Charges and Magnetism questions in Karnataka PUC II 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 61–90 of 193.

Using Biot-SavartRead the answer and worked solution →Field of a circular coilRead the answer and worked solution →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 →A freely suspended bar magnet settles pointing:Read the answer and worked solution →The tip of a magnet pointing to geographic north is its:Read the answer and worked solution →Cutting a bar magnet in half gives:Read the answer and worked solution →Magnetic field lines of a bar magnet form:Read the answer and worked solution →A bar magnet behaves like a magnetic:Read the answer and worked solution →Substances repelled by a magnetic field are:Read the answer and worked solution →Materials are classified by which quantity?Read the answer and worked solution →Substances that are weakly magnetised in a field are:Read the answer and worked solution →Substances that are strongly magnetised in a field are:Read the answer and worked solution →A ferromagnet is divided internally into regions called:Read the answer and worked solution →In an unmagnetised ferromagnet, the domains are:Read the answer and worked solution →Applying a field makes the domains:Read the answer and worked solution →Above a certain temperature, a ferromagnet becomes a:Read the answer and worked solution →The Earth's magnetic field runs approximately from geographic:Read the answer and worked solution →A bar magnet can be modelled as a large number of:Read the answer and worked solution →The magnetic moment of a bar magnet equals that of an equivalent:Read the answer and worked solution →Inside a diamagnetic material, the field is:Read the answer and worked solution →

Worked practice questions

Using Biot-Savart

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Questions
  1. Statement is true
    Yes
    Statement
    Biot-Savart applies to a steady current.
  2. Statement is true
    Yes
    Statement
    The total field needs an integration over the whole conductor.
  3. Statement is true
    No
    Statement
    One current element alone gives the total field.
  4. Statement is true
    Yes
    Statement
    The law is a vector expression.
Instructions
Tap True or False for each statement.
_Source: syllabus Physics Part 1, Ch 4 'Moving Charges and Magnetism' (leph104)_

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Field of a circular coil

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Missing parts
  1. Answer
    axial
    Choices
    1. axial
    2. radial
    3. angular
  2. Answer
    centre
    Choices
    1. centre
    2. rim
    3. wire
Complete the statement
The field of a circular coil of radius R carrying current I is quoted at an {0} distance x from the {1}.
Instructions
Tap a chip from the bank to fill each blank.
_Source: syllabus Physics Part 1, Ch 4 'Moving Charges and Magnetism' (leph104)_

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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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