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Name and state the right-hand thumb rule and Fleming's left-hand rule

The same question, asked 3 times: 2023*, 2024*, 2026. Every wording below, oldest first.

Try each one first, then open its answer.

  1. Question 1

    2023

    26
    State the rule to determine the direction of a (a) magnetic field produced around a straight conductor carrying current and (b) force experienced by a current carrying straight conductor placed in a magnetic field which is perpendicular to it.

  2. Question 2

    2024

    32
    Name and state the rule to determine the direction of a : (i) magnetic field produced around a current carrying straight conductor. (ii) force experienced by a current carrying straight conductor placed in a magnetic field which is perpendicular to it.

  3. Question 3

    2026

    39 (a)
    (i) State the rules to determine the following : (I) Direction of magnetic field produced around a current-carrying straight conductor. (II) Direction of force experienced by a current-carrying straight conductor placed in a magnetic field which is perpendicular to it. (ii) (I) Draw the magnetic field lines due to a current-carrying solenoid. (II) Three points A, B and C are marked in the above given diagram of the current-carrying solenoid. Out of the three points A, B and C, at which point is the magnetic field strength maximum and at which point is it minimum ?

  4. Question 4

    2026

    39 (b)
    (i) Write the name and statement of the rule used to determine the direction of the : (I) force experienced by a straight current-carrying conductor placed in a uniform magnetic field perpendicular to the field. (II) magnetic field produced around a straight conductor carrying electric current. (ii) Two straight current-carrying conductors (A) and (B) are shown in the figures below : (I) Mark the direction of the magnetic fields around these current-carrying conductors (A) and (B). (II) Compare the strengths of magnetic fields produced (1) at points P and Q and (2) at points Q and R due to these current-carrying conductors, qualitatively.

  5. Question 5

    2026

    39 (a)
    (i) Write the name and statement of the rule used to determine the direction of the : (I) force experienced by a straight current-carrying conductor placed in a uniform magnetic field perpendicular to the field. (II) magnetic field produced around a straight conductor carrying electric current. (ii) Differentiate between the magnetic field due to a bar magnet and the magnetic field due to a current-carrying solenoid.