Chapter 4: Moving Charges and Magnetism
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Galvanometer cannot measure:
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Torque becomes zero when coil is:
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Magnetic moment of coil increases with:
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Series resistance used in:
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Shunt is used in:
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Voltmeter is made by:
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Ammeter is made by:
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Sensitivity depends on:
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Principle of galvanometer:
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Galvanometer detects:
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Force on conductor is due to:
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Direction of force is:
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Torque is maximum when angle is:
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Magnetic dipole moment =
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Torque on loop =
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SI unit of current defined using:
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Force between parallel currents:
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No force when θ =
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Force is maximum when θ =
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Force on current carrying conductor:
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Ampere’s circuital law relates:
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Direction of dB is given by:
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Magnetic field due to long wire ∝
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Outside solenoid field is:
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Magnetic field inside solenoid is:
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Ampere’s law applies to:
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Field at center of circular loop:
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SI unit of current element is:
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Magnetic field ∝
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Biot–Savart law gives:
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Pitch of helix depends on:
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Angular frequency is:
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Radius increases if:
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Centripetal force is provided by:
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Cyclotron works on:
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Speed of particle in magnetic field:
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Motion is helical when:
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Frequency of motion is proportional to:
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Time period of circular motion is:
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Radius of circular path =
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Magnetic field direction around wire is given by:
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Magnetic field due to straight wire depends on:
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Magnetic field lines are:
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Direction of magnetic force is given by:
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If velocity is parallel to magnetic field, force is:
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Lorentz force is given by:
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Unit of magnetic field is:
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Work done by magnetic force is:
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Magnetic force is always:
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Magnetic force on a moving charge depends on:
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