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Figure shows a part of an electric circu...

Figure shows a part of an electric circuit. The wires AB, CD, and EF are long and have identical resistances. The separation between the neighbouring wires is 1.0 cm. The wires AE and BF have negligible resistances and the ammeter reads 30 A . Calculate the magnetic force per unit length of AB and CD. `

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The correct Answer is:
A, C, D
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RESONANCE ENGLISH-ELECTRODYNAMICS-Exercise-1 PART-1
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  2. Two parallel wires separated by a distance of 10cm carry currents of 1...

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

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

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

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

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

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

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

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

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

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

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

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  14. A circular coil of radius 2.0 cm has 500 turns in it and carries a cu...

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  15. A circular loop carrting a current a current I has wire of total leng...

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  16. In a hydrogen atom, the electron moves in an orbit of radius 0.5Å mak...

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  17. A charge Q is spread uniformly over an insulated ring of radius R. Wha...

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  18. Two coils each of 100 turns are held such that one lies in vertical pl...

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  19. A magnetic dipole of magnetic moment 6Am^(2) is lying in a horizontal ...

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  20. A coil of 50 turns and 20 cm diameter is made with a wire of 0.2 mm di...

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