Home
Class 12
PHYSICS
State Biot-Savart law. A current I flo...

State Biot-Savart law.
A current I flows in a conductor placed perpendicular to the plane of the paper. Indicate the direction of the magnetic field due to a small element `vecdl` at point P situated at a distance `vecr` from the element as shown in figure.

Text Solution

Verified by Experts

The direction of magnetic field at point P is along -ve direction of x-axis.
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • MOVING CHARGES AND MAGNETISM

    U-LIKE SERIES|Exercise LONG ANSWER QUESTIONS-I|33 Videos

  • MOVING CHARGES AND MAGNETISM

    U-LIKE SERIES|Exercise LONG ANSWER QUESTIONS-II|11 Videos

  • MOVING CHARGES AND MAGNETISM

    U-LIKE SERIES|Exercise VERY SHORT ANSWER QUESTIONS|39 Videos

  • MODEL TEST PAPER 3 (UNSOLVED)

    U-LIKE SERIES|Exercise SECTION A|3 Videos

  • NUCLEI

    U-LIKE SERIES|Exercise Self Assessment Test|10 Videos

Similar Questions

Explore conceptually related problems

A current I flows in a conductor placed perpendicular to the plate of the paper. Indicate the direction of the magnetic field due to a small element dvecl at point P situated at a distance vecr from the element as shown in the figure.

State Biot Savart's law. A current I flows in a conductor placed perpendicular to the plane of paper. Indicate the direction of the magnetic field due to a small element dvecl at a point P at a distance vecr from the element as shown in figure.

Knowledge Check

  • The magnetic field vec(dB) due to a small current element vec(dl) carrying a current I at a distance vecr is given as

    A
    `vec(dB) = (mu_0)/(4pi) I[(vec(dI) xx vec(r))/(r)]`
    B
    `vec(dB) = (mu_0)/(4pi) I^2[(vec(dl) xx vec(r))/(r)]`
    C
    `vec(dB) = (mu_0)/(4pi) I^2[(vec(dl) xx vec(r))/(r^2)]`
    D
    `vec(dB) = (mu_0)/(4pi) I[(vec(dl) xx vec(r))/(r^3)]`

  • The magnetic field dvecB due to a small current element dvecl at a distance vecr and element carrying current i is,

    A
    `dvecB=mu_(0)/(4pi)i((dveclxxvecr)/(r))`
    B
    `dvecB=mu_(0)/(4pi)i^(2)((dveclxxvecr)/(r))`
    C
    `dvecB=mu_(0)/(4pi)i^(2)((dveclxxvecr)/(r^(2)))`
    D
    `dvecB=mu_(0)/(4pi)i((dveclxxvecr)/(r^(3)))`

  • The magnetic field bar(dB) due to a small current element bar(dl) at a distance vec(r) and carrying current 'I' is

    A
    `bar(dB)=(mu_(0))/(4pi)i((bar(dl)xxbar(r))/(r))`
    B
    `bar(dB)=(mu_(0))/(4pi)i^(2)((bar(dl)xxbar(r))/(r^(2)))`
    C
    `bar(dB)=(mu_(0))/(4pi)i^(2)((bar(dl)xxbar(r))/(r))`
    D
    `bar(dB)=(mu_(0))/(4pi)i((bar(dl)xxbar(r))/(r^(3)))`

    • Similar Questions

    Explore conceptually related problems

    figure 4.22 shows two long wires A and B, each carrying a current I, separated by a distance l and oriented in a plane perpendicular to the plane of paper. The directions of currents are shown in figure. Find the magnetic induction at a point P located at a distance l from both wires as shown in figure4.22

    The magnetic field at the origin due to a current element I (vec dl ) placed at a positon (vec r) is

    Which of the following given the value of magnetic field due to small current elememt accordong to Biot -Savart's law

    The magnetic field (d vecB) at a point due to an elemental conductor (d vecl) carrying a current (i) at a distance (vecr) from the elemetn, is given by

    A constant current flows in a horizontal wire in the plane of the paper from east to west as shown in figure. The direction of magnetic field at a point will be North to South:

    Home
    Profile