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A long solenoid is fabricated by closely...

A long solenoid is fabricated by closely winding a wire of radius 0.5 mm over a cylindrical nonmagnetic frame so that the successive turns nearly touch each other. What would be the magnetic field B at the centre of the solenoid if it carries a current of 5 A?

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RESONANCE ENGLISH-ELECTRODYNAMICS-Exercise-1 PART-2
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  3. A long solenoid is fabricated by closely winding a wire of radius 0.5 ...

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  4. A current i flows along the length of an infinitely long, straight, th...

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  6. A current- carrying straight wire is kept along the axis of a circular...

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  8. A circular loop is kept in that vertical plane which contains the nort...

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  9. A long, thick straight conductor of radius R carries current I uniform...

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  10. Two long parallel wires are at a distance 2d apart. They carry steady ...

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  11. An infifnitely long conductor PQR is bent to form a right angle as sho...

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  12. Which of the following particles will describe wll experience maximum...

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  13. An electric current I enters and leaves a uniform circular wire of rad...

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  14. Two prticles A and B having equal charges, after being accelerated thr...

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  15. A negative charged particle falling freely under gravity enters a regi...

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  16. A proton is moved along a magnetic field line.The magnetic force on th...

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  17. A proton of mass m and charge q enters a magnetic field B with a veloc...

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  18. A particle moves in a region having a uniform magnetic field and a par...

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  19. if a charged particle projected in a gravity free room deflects,

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  20. Two parallel wires carry currents of 20A and 40A in opposite direction...

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