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Physics - Magnetic Effect of Current Questions and Answer >>

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1. A charged particle moves in a uniform magnetic field. The velocity of the particle at some instant makes an acute angle with the magnetic field. The path of the particle will be . [MP PMT 1999]


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2. 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 magnetic field at P is. [MNR 1986; DPMT ]


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3. In the above question, the magnetic induction at O due to the whole length of the conductor is . [MP PMT/PET 1998]


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4. The magnetic induction at any point due to a long straight wire carrying a current is . [MP PMT/PET 1998]


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5. A current of 1 ampere is passed through a straight wire of length 2.0 metres. The magnetic field at a point in air at a distance of 3 metres from either end of wire and lying on the axis of wire will be. [MP PET 1995]


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