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A current of 5.0 A exists in the circui...

A current of 5.0 A exists in the circuit shown in The wire PQ has a length of 50 cm the magnetic field in which it is immersed has a magnitude of 0.20 T. Find the magnetic force acting on the wire PQ.

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Magnetic force on wire PQ
` = iJB sin 90@ `
`= 5 xx 50 xx 10 ^(-2) xx 0.2 xx 1`
` 0.50N` toward inside the cricuit .
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HC VERMA ENGLISH-MAGNETIC FIELD-Exercises
  1. A magnetic field of strength 1.0 T is produced by a strong electromagn...

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  2. A wire of length l carries a current I along the x-asis. A magnetic fi...

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  3. A current of 5.0 A exists in the circuit shown in The wire PQ has a l...

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  4. A circular loop of radius a, carrying a current I, is placed in a tow ...

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  5. A hypthetical magnetic field existing in a region is given by vecB= B0...

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  6. A rectangular wire-loop of width a is suspended from the insulated pa...

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  7. A current loop of arbitrary shape lies in a uniform magnetic field B. ...

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  8. Prove that the force acting on a current carrying wire, joining two f...

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  9. A semicircular wire of radius 5.0 cm carries a current of 5.0 A. A ma...

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  10. A wire, carrying a current i, is kept in the x-y plane along the curve...

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  11. A rigid wire consists of a semicircular portion of radius R and two s...

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  12. A straight horizontal wire of mass 10mg and length 1.0 cm carries a cu...

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  13. Two metal strips, each of length, each of length l, are clamped paral...

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  14. A matel wire PQ of mass 10g lies at rest on two horizontal metal rails...

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  15. A straight wire of length l can slide on two parallel plastic rails k...

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  16. A circular loop of radius a, carrying a current I, is placed in a tow ...

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  17. A ring of radius 0.1m is made out of thin metallic wire of area of cro...

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  18. The magnetic field existing in a region is given by vecB =B0(1+(x)/(l)...

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  19. A conducting wire of length l, lying normal to a magnetic field B, mo...

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  20. A currrent I is passed through a silver strip of width d and area of...

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