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Toroid is a solenoid of...

Toroid is a solenoid of

A

infinite length

B

infinite length of non-uniform radius

C

finite length bent into a circle

D

conical shape

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The correct Answer is:
A
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TARGET PUBLICATION-MAGNETIC EFFECT OF ELECTRIC CURRENT-EVALUATION TEST
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  2. Magnetic field induction at the centre of a circular coil shown in the...

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  3. A long solenoid carries current I. Curve between energy density (at mi...

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  4. A circular coil carrying current is placed in a region of uniform magn...

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  5. Find the magnetic induction at point O if the current carrying wire is...

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  6. A proton of mass m and charge q is accelerated by a potential differen...

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  7. A conductor of length l is placed in E - W direction on a plane. Earth...

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  8. A current I is flowing in a hexgonal coil of side a figure. The magnet...

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  9. A wire is bent in the form of a circular arc with a straight portion A...

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  10. alpha particles, each of energy 2 MeV, are transmitted in a uniform ma...

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  11. The field normal to the plane of a wire of n turns and radis r which c...

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  12. Calculate the magnetic field at distance y from the centre of the axis...

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  13. A wire of cross-sectional area A forms three sides of a square and is ...

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  14. A wider conductor strip of width x is bent into a slender tubing of ra...

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  15. A long wire carrying a steady current is bent into a single coil such ...

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  16. Find the magnetic moment of a thin round loop with current if the radi...

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  17. A microammeter has as resistance of 100 Omega and full scale range of ...

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  18. A current i is flowing in a straight conductor of length L. The magnet...

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  19. A circular coil of radius r carries a current I. The magnetic field at...

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  20. An infinite straigh conductor carrying current 2 I is split into a loo...

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