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Two long parallel wires are at a distanc...

Two long parallel wires are at a distance 2d apart. They carry steady equal current flowing out of the plane of the paper as shown. The variation of the magnetic field along the line xx' is given by :

A

B

C

D

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The correct Answer is:
B
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AAKASH SERIES-MOVING CHARGES AND MAGNETISM-EXERCISE-III
  1. Two long mutually perpendicular conductors carrying currents I1 and I2...

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  2. Two wires of same length are shaped into a square and a circle. If the...

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  3. Current 'i' is flowing in heaxagonal coil of side a. The magnetic indu...

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  4. A solenoid of length 'l' has N turns of wire closely spaced, each turn...

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  5. A toroid has a core (non-ferromagnetic) of inner radius 25 cm and oute...

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  6. A 3.0 cm wire carrying a current of 10 A is placed inside a solenoid p...

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  7. A closely wound solenoid of 800 turns and area of cross-section 2.5xx1...

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  8. A closely would solenoid of 2000 turns and area of cross-section 1.6xx...

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  9. Two coaxial solenoids of different radii carry current I in the same ...

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  10. A solenoid has 10^(3) turns per unit length. On passing a current of 2...

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  11. Currents of 10 A and 2A are passed through two parallel wires A and B ...

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  12. Wires 1 and 2 carrying currents i1 and i2 respectively are inclined at...

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  13. Two parallel horizontal conductors are suspended by two light vertical...

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

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  15. A conducting ring of mass 2kg, radius 0.5m carries a current of 4A. I...

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  16. A circular coil of 25 turns and radius 12 cm is placed in a uniform ma...

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  17. A galvanometer having a resistance of 50Omega, gives a full scale defl...

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  18. An arrangement of three parallel straight wires pl,aced perpendicular ...

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  19. The deflection of a galvanometer falls to 1//10^(th) when a resistanc...

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  20. A metallic rod of mass per unit length 0.5 kg m^(-1) is lying horizont...

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