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A current of 10 A exists in the circuit ...


A current of `10 A` exists in the circuit figure.The wire `PQ` has a lengths of `100 cm` and the magnetic field in which it is immersed has a magnitude of `0.20 T`.Find the magnetic force acting on the wire `PQ`.

Text Solution

Verified by Experts

The correct Answer is:
A, B, C, D
`F=BiL`
`=0.2xx10xx1`
`=2N`
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RESONANCE ENGLISH-ELECTRODYNAMICS-Exercise-1 PART-1
  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-axis. A magnetic fi...

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  3. A current of 10 A exists in the circuit figure.The wire PQ has a lengt...

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  4. A thin straight horizontal wire of length 0.2 m whose mass is 10^(-4) ...

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

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

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

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

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  9. Two parallel wires separated by a distance of 10cm carry currents of 1...

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  10. Figure shows a part of an electric circuit. The wires AB, CD, and EF a...

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  11. A straight , long wire carries a current a current of 20A. Another wir...

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  12. Two long straight parallel conductors are separated by a distance of 5...

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

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  14. Consider a solid sphere of radius r and mass m which has charge q dist...

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  15. An electron in the ground state of hydrogen atom is removing in unanti...

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  16. A circular coil of 100 turns has an effective radius of 0.05 m and car...

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

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  18. A rectangular coil of 100 turns has length 5 cm and width 4 cm. it is ...

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  19. A 50 turn circular coil of radius 2.0 cm carrying a current of 5.0 A ...

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  20. A square loop of sides 10 cm carries a current of 10 A.A uniform magne...

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