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Physics - Magnetic Effect of Current Questions and Answer >>

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1. A charge + Q is moving upwards vertically. It enters a magnetic field directed to the north. The force on the charge will be towards. [MP PMT 1995; AM]

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2. The direction of magnetic lines of forces close to a straight conductor carrying current will be . [RPMT 2002; RPET]

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3. Field inside a solenoid is. [MP PMT 1993]

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4. 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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5. A current carrying long solenoid is placed on the ground with its axis vertical. A proton is falling along the axis of the solenoid with a velocity v. When the proton enters into the solenoid, it will

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