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Physics - Magnetic Effect of Current Questions and Answer >>

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1. A proton is moving along Z-axis in a magnetic field. The magnetic field is along X-axis. The proton will experience a force along

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2. A charged particle enters a magnetic field H with its initial velocity making an angle of with H. The path of the particle will be . [MP PET 1999; AI]

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

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4. A conducting circular loop of radius r carries a constant current i. It is placed in a uniform magnetic field B, such that B is perpendicular to the plane of the loop. The magnetic force acting on the loop is . [IIT 1983; MP PM]

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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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