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Magnetic field B along the axis of a lon...

Magnetic field `B` along the axis of a long solenoid is given by

A

B

C

D

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The correct Answer is:
a
Magnetic field well inside the solenoid is constant. As we move out of solenoid along axis field decreases.
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NARAYNA-MOVING CHARGES AND MAGNETISM-LEVEL-V (SINGLE ANSWER QUESTION)
  1. In the given figure the magnitude of magnetic field at O is ( all thr...

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  2. Two parallel, long wires carry current i(1) and i(2) withi(1)gti(2). W...

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  3. Magnetic field B along the axis of a long solenoid is given by

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  4. The magnetic field at the centre O of the circular portion of radius 3...

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  5. An infinitely long conductor PQR is bent to form a light angle as sho...

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  6. A long current wire is bent in the shapes shown in figure. The circula...

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  7. An ionized gas contains both positive and negative ions . If it is sub...

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  8. A charged particle is released from rest in a region of steady and uni...

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  9. A charged particle of mass m and charge q enters a magnetic field B wi...

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  10. A particle of mass m and charge q is projected into a region having a ...

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  11. A charged particle having charge 10^-6 C and mass of 10^-10 kg is fire...

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  12. A particle moves in a circle of diamater 1.0 cm under the action of ma...

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  13. A proton , a deutron and alpha )- particle having the same kinetic en...

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  14. A proton of mass 1.67xx10^(-27)kg and charge 1.6xx10^(-19)c is projec...

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  15. For a positively charged particle moving in a x-y plane initially alon...

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  16. An electron moving with a speed u along the positive x-axis at y=0 ent...

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  17. A uniform magnetic field is directed out of the page. A charged partic...

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  18. There is a horizontal cylindrical uniform but time-varying nagnetic fi...

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  19. A charged particle of specific charge (charge/mass) alpha released fro...

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  20. Consider the uniform magnetic field shown: Starting from point P ...

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