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The magnetic field near a current carryi...

The magnetic field near a current carrying conductor is given by

A

Coulomb’s law

B

Lenz’ law

C

Biot-savart’s law

D

Kirchoff’s law

Text Solution

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The correct Answer is:
C
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ERRORLESS -MAGNETIC EFFECT OF CURRENT-Exercise
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  2. The core of a toroid having 3000turns has inner and outer radii of 11c...

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  3. The magnetic field near a current carrying conductor is given by

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  4. A wire in the from of a circular loop of one turn carrying a current ...

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  5. A long solenoid carrying a current produces a magnetic field B alon...

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  6. A long straight wire carrying current of 30 A is placed in an exte...

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  7. The earth's magnetic field at a given point is 0.5xx10^(-5) Wb-m^(-2)....

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  8. A coil having N turns carry a current I as shown in the figure. The ma...

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  9. Two similar coils are kept mutually perpendicular such that their cent...

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  10. In the figure, what is the magnetic field at the point O?

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  11. The magnetic dipole moment of a current loop, carrying current I, havi...

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  12. A current flows in a conductor from east to west. The direction of the...

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  13. A long wire carries a steady curent . It is bent into a circle of one ...

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  14. The magnetic field due to a current carrying loop of radius 3 cm at a...

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  15. The current is flowing in south direction along a power line. The dire...

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  16. Two wires of same length are shaped into a square and a circle. If the...

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  17. An electron is revolving round a proton, producing a magnetic field of...

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  18. Two concentric coils each of radius equal to 2 pi cm are placed at rig...

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  19. A wire carrying current I and other carrying 2I in the sam direction p...

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  20. Two long parallel wires P and Q are both perpendicular to the plane of...

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