Physics-

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A particle of mass m and charge q is released from rest at the origin as shown in the figure. The speed of the particle when it has travelled a distance d along the z-axis is given by

$\sqrt{\frac{2 q E_{0} d}{m}}$
$\sqrt{\frac{E_{0} d}{B_{0}}}$
$\sqrt{\frac{m}{q E_{0} d}}$
$\sqrt{\frac{2 m}{q E_{0} d}}$

The correct answer is: $square root of fraction numerator 2 q E subscript 0 end subscript d over denominator m end fraction end root$

For a positive charged particle moving in a x-y plane initially along the x-axis, there is a sudden change in its path due to the presence of electric and/or magnetic fields beyond P. The curved path is shown in the x-y plane and is found to be non-circular Which one of the following combinations is possible?

physics-General

General

physics-

The resistance of three parts of a circular loop are as shown in the figure. The magnetic field at the centre O is

physics-General

General

physics-

An infinitely long conductor has a circular loop as shown in the figure. A current of 5A flows through the conductor. Find the radius of loop if the intensity of magnetic field at its centre is $4.1 cross times 1 0 to the power of negative 2 end exponent T$

physics-General

General

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A particle of mass m and charge q is released from rest at the origin as shown in the figure. The speed of the particle when it has travelled a distance d along the z-axis is given by

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The correct answer is: $square root of fraction numerator 2 q E subscript 0 end subscript d over denominator m end fraction end root$

An infinitely long conductor has a circular loop as shown in the figure. A current of 5A flows through the conductor. Find the radius of loop if the intensity of magnetic field at its centre is $4.1 cross times 1 0 to the power of negative 2 end exponent T$

An infinitely long conductor has a circular loop as shown in the figure. A current of 5A flows through the conductor. Find the radius of loop if the intensity of magnetic field at its centre is $4.1 cross times 1 0 to the power of negative 2 end exponent T$