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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.

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The direction of magnetic field at point P is along -ve direction of x-axis.
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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.

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

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

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:

U-LIKE SERIES-MOVING CHARGES AND MAGNETISM -SHORT ANSWER QUESTIONS
  1. State Biot-Savart law. A current I flows in a conductor placed perpe...

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  2. A circular coil of radius R carries a curretn. Find an expression for ...

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  3. (a) State Bio-Savart's law in vector form expressing the magnetic fiel...

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  4. A long wire is first bent into a circular coil of one turn and then in...

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  5. A straight wire of length L is bent into a semicircular loop. Use Biot...

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  6. State Ampere's circuital law and express it mathematically. Give the s...

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  7. State Ampere's circuital law, expressing it in the integral form.

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  8. Explain how Biot-Savart's law enables one to express the Ampere's circ...

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  9. State the principle of working of a cyclotron. Write two used of this ...

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  10. A charge 'q' moving along the X-axis with a velociyt vecv (fig) is sub...

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  11. A proton and a deuteron, each moving with velocity vecv, enter simulta...

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  12. Two long coaxial insulated solenoids, S1 and S2 of equal lengths are w...

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  13. A neutron , an electron and an alpha particle moving with equal veloci...

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  14. Two long straight parallel conductors carrying currents I1 and I2 alon...

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  15. A current loop is considered a magnetic dipole. Explain. Also give an ...

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  16. A circular coil of N turns and radius R carries a current I. It is unw...

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  17. A coil of N turns and radius R carries I . It is unwound and rewound t...

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  18. Define current sensitivity and voltage sensitivity of a galvanometer. ...

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  19. How do you convert a galvanometer into an ammeter ? Why is an ammeter ...

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  20. Which one of the two , an ammeter or a milliammeter, has a higher resi...

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