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Recent questions tagged magnetic-force

A conducting rod of mass $m$ and length $\ell$ is placed over a smooth table. A uniform magnetic field is acting perpendicular to the rod. Charge $q$ is suddenly passed through the rod and it acquires a velocity $v$ on the surface, then $q$ is equal to

asked Feb 22, 2014 by thanvigandhi_1

1 answer

Consider the following statements \[\] Statement 1: Free electrons are in a state of motion in a conductor. Even then no magnetic force acts on them unless a current is passed through it \[\] Statement 2: The average velocity of free electrons is zero

asked Feb 21, 2014 by thanvigandhi_1

1 answer

The dimensions of magnetic flux are

asked Feb 19, 2014 by thanvigandhi_1

1 answer

A charge $q$ moves along the $x$-axis with a velocity of 5 m/s in a uniform magnetic field $ \overrightarrow B = \hat i + \hat j + \hat k$ The force experienced by the charge will be

asked Feb 19, 2014 by thanvigandhi_1

1 answer

Magnetic moment of an electron in the $n^{th}$ orbit of the hydrogen atom is

asked Feb 19, 2014 by thanvigandhi_1

1 answer

A wire of length $1m$ is placed in $x-z$ plane carries a current of $1A$. The coefficient of friction between the wire and the surface is $0.2$ and the mass of the wire is $2\; Kg$. The magnetic field of strength $2T$ exists along positive $y$ direction. Then which of the following is correct

asked Feb 19, 2014 by thanvigandhi_1

1 answer

A charged particle is whirled on a horizontal flat table by attaching it to a string fixed at one point. If a magnetic field is switched on in the vertical direction, the tension in the string

asked Feb 17, 2014 by thanvigandhi_1

1 answer

Which of the following particles will experience maximum magnetic force when projected with the same velocity perpendicular to a constant magnetic field?

asked Feb 17, 2014 by thanvigandhi_1

1 answer

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