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A long thin hollow metallic cylinder of ...

A long thin hollow metallic cylinder of radius `'R'` has a current `i` ampere. The magnetic induction `'B'` -away from the axis at a distance `r` from the axis varies as shown in

A

B

C

D

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The correct Answer is:
D
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AAKASH INSTITUTE-MOVING CHARGES AND MAGNETISM-Assignment (Section B) Objective Type Questions (One option is correct)
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  2. In the figure, the current l enters the circular loop of uniform wire ...

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  4. The magnetic field inside a toroidal solenoid of radius R is B. If the...

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  5. A square loop of edge 'a' carries a current l. The magnetic field at t...

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  6. A proton, a deuteron and an alpha particle moving with equal kinetic ...

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  7. A charge q enters into a magnetic field (B) perpendicularly with veloc...

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  8. A solid metallic cylinder carriers a direct current. The magnetic fiel...

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  9. Two identical magnetic dipoles of magnetic moments 1*0Am^2 each are pl...

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  10. For a given length l of wire carrying a current l, how many circular t...

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  11. Which of the following properties of magnetic line of force differs th...

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  12. The earth's magnetic induction at a certain point is 7xx10^(-5) Wb/m^(...

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  13. A long thin hollow metallic cylinder of radius 'R' has a current i amp...

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  14. A charge q is spread uniformly over an insulated loop of radius r. If ...

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  15. If plane of coil and uniform magnetic field B(4T0 is same then torque ...

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  16. What is the force experienced by a semicircular wire of radius R when ...

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  17. Suppose that a proton travelling in vacuum with velocity V(1) at right...

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  18. When two parallel wires carrying current l and 2l in same direction ar...

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  19. Calculate the torque acting upon the following structure carrying curr...

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  20. Keeping current per unit length of arc constant, the variation of magn...

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