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NEET UG Moving Charges and Magnetism — practice questions — page 2

Explore 180 free Moving Charges and Magnetism questions in NEET UG 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 31–60 of 180.

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 →Diamagnetism arises in atoms whose electrons have no net:Read the answer and worked solution →Field lines of a bar magnet differ from an electric dipole's because they:Read the answer and worked solution →Match the magnetism termRead the answer and worked solution →Sort the magnetic materialsRead the answer and worked solution →True or false about magnetsRead the answer and worked solution →Order what happens to domainsRead the answer and worked solution →Complete the magnet ruleRead the answer and worked solution →Name the magnetic classRead the answer and worked solution →Spot the odd one outRead the answer and worked solution →Magnetism and matter bingoRead the answer and worked solution →

Worked practice questions

Odd one out: what a current does

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Questions
  1. Items
    1. Emits neutrinos
    2. Makes a field
    3. Feels a force
    4. Heats a wire
    Odd item
    Emits neutrinos
  2. Items
    1. I l cross B
    2. Hooke's law
    3. q v cross B
    4. Biot-Savart
    Odd item
    Hooke's law
  3. Items
    1. Cyclotron
    2. Circular orbit
    3. Boiling point
    4. Normal plane
    Odd item
    Boiling point
Instructions
Tap the one that does not belong.
_Source: syllabus Physics Part 1, Ch 4 'Moving Charges and Magnetism' (leph104)_

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Zero work, changing direction

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Missing parts
  1. Answer
    zero
    Choices
    1. zero
    2. maximum
    3. negative
  2. Answer
    direction
    Choices
    1. direction
    2. mass
    3. charge
Complete the statement
Because the magnetic force is normal to v it does {0} work, so it changes the {1} but not the speed.
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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Moving charges, mixed check

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Questions
  1. Statement is true
    Yes
    Statement
    The Lorentz force is F = q(v cross B + E).
  2. Statement is true
    No
    Statement
    Cyclotron frequency depends on the orbit radius.
  3. Statement is true
    Yes
    Statement
    Biot-Savart needs integration for a full conductor.
  4. Statement is true
    Yes
    Statement
    The force on a current wire is I l cross B.
Instructions
Tap True or False for each statement.
_Source: syllabus Physics Part 1, Ch 4 'Moving Charges and Magnetism' (leph104)_

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