Chapter 23 – Magnetic Effects of Current and Moving Charges
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A long straight wire carries 10 Ad.c. current an electron travels perpendicular to the plane of this wire at a distance 0.1 m with velocity 5.0×10^6ms−1. Force acting on the electron due to current in wire is
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Nov
A long straight wire carries 10 Ad.c. current an electron travels perpendicular to the plane of this wire at a distance 0.1 m with velocity 5.0×10^6ms−1. Force acting on the electron due to current in wire is A galvanometer can be changed into an ammeter by providing November 18, 2021 Category: AIIMS Last 24 Years [...]
A wire of mass 100 g, length 1 m and current 5 A is balanced in mid air by a magnetic field B, then find the value of B.
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Nov
A wire of mass 100 g, length 1 m and current 5 A is balanced in mid air by a magnetic field B, then find the value of B. A wire of mass 100 g length 1 m and current 5 A is balanced in mid air by a magnetic field B then find the [...]
When a positively charged particle enters a uniform magnetic field with uniform velocity its trajectory can be a) straight line b)a circle c) a helix
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Nov
When a positively charged particle enters a uniform magnetic field with uniform velocity its trajectory can be a) straight line b)a circle c) a helix When a positively charged particle enters a uniform magnetic field with uniform velocity its trajectory can be a) straight line b)a circle c) a helix November 18, 2021 Category: AIIMS [...]
A proton travels few distance in an electric field, then it enters a crossed magnetic field of 1T and radius 0⋅2 m, find the velocity of proton,
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Nov
A proton travels few distance in an electric field, then it enters a crossed magnetic field of 1T and radius 0⋅2 m, find the velocity of proton, A proton travels few distance in an electric field find the velocity of proton then it enters a crossed magnetic field of 1T and radius 0⋅2 m November [...]
An uncharged particle is moving with a velocity of v in non uniform magnetic field as shown. Velocity v would be
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Nov
An uncharged particle is moving with a velocity of v in non uniform magnetic field as shown. Velocity v would be An uncharged particle is moving with a velocity of v in non uniform magnetic field as shown. Velocity v would be November 18, 2021 Category: AIIMS Last 24 Years Solved 1996 - 2019 Physics [...]
A current I1 carrying wire AB is placed near another long wire CD carrying current I2. If wire AB is free to move, it will have
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Nov
A current I1 carrying wire AB is placed near another long wire CD carrying current I2. If wire AB is free to move, it will have A current I1 carrying wire AB is placed near another long wire CD carrying current I2. If wire AB is free to move it will have November 18, 2021 [...]
The ratio of magnetic fields on the axis of a circular current carrying coil of radius a to the magnetic field at its centre will be
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Nov
The ratio of magnetic fields on the axis of a circular current carrying coil of radius a to the magnetic field at its centre will be The ratio of magnetic fields on the axis of a circular current carrying coil of radius a to the magnetic field at its centre will be November 18, 2021 [...]
Two changes +q and −q are attached to the two ends of a light rod of length Z, as shown in figure. The system is given a velocity v perpendicular to magnetic field B . The magnetic force on the system of charges and magnitude of force on one charge by the rod, are respectively
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Nov
Two changes +q and −q are attached to the two ends of a light rod of length Z, as shown in figure. The system is given a velocity v perpendicular to magnetic field B . The magnetic force on the system of charges and magnitude of force on one charge by the rod, are respectively [...]
Circular loop of a wire and a long straight wire carry currents Ic and Ic respectively as shown in figure. Assuming that these are placed in the same plane, the magnetic fields will be zero at the centre of the loop when separation H is
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Nov
Circular loop of a wire and a long straight wire carry currents Ic and Ic respectively as shown in figure. Assuming that these are placed in the same plane, the magnetic fields will be zero at the centre of the loop when separation H is Circular loop of a wire and a long straight wire [...]
In the following diagram, which particle has highest e/m value?
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Nov
In the following diagram, which particle has highest e/m value? In the following diagram which particle has highest e/m value? November 18, 2021 Category: AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry Video Solutions , Chapter 23 - Magnetic Effects of Current and Moving Charges , Physics ,