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A vertical straight conductor carries a current vertically upwards. A point P lies to the east of it at a small distance and another point Q lies to the west at the same distance. The strength of magnetic field at P is

A

greater then that at Q

B

same as that at Q

C

less then that at Q

D

greater or less depends on the strength of current

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CHHAYA PUBLICATION-ELECTROMAGNETISM -EXERCISE
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  2. Two wires PQ and QR carry equal currents I. One end of each wire exten...

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  3. A vertical straight conductor carries a current vertically upwards. A ...

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  4. Magnitude of magnetic field at the point P in arrangement shown in the...

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  5. The magnetic field at the point of intersection of diagonals of a squa...

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  6. A circular coil of radius R carries an electric current i. The magneti...

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  8. In a current carrying long solenoid, the field produced inside the sol...

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  10. The radius of the circular path described by a charged particle in a m...

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  13. A moving electron and a moving proton enter a uniform magnetic field i...

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  14. An alpha- particle and a proton having the same momentum enter a regio...

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  15. A uniform electric field and a uniform magnetic field are acting along...

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  16. A particle of charge q moves with a velocity vecv=ahati+bhatj in magne...

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  20. A magnetic field is applied along positive z-axis. How should a plane ...

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