Question

With the help of a diagram of experimental set up describe an activity to show that the force acting on a current carrying conductor placed in a uniform magnetic field increases with increase in current

Answer 1

When a current carrying wire is placed in a magnetic field, the wire experiences a force. Fleming’s Left Hand rule gives direction of the current, magnetic field and the force experienced by the wire.

You can see the direction of the magnetic field, the direction of the current. The direction of the force experienced by the wire .

Mathematically, the force experienced is given by,

F = i(L × B)

The bold letters represent vector quantities.

L is the length of the current carrying wire in the magnetic field, direction of L is the direction of the current. B is the magnetic field.

Now, |F| will have maximum value when |L × B| is maximum.

And, |L × B| = LB sinθ, θ is the angle between L and B.

So, |L × B| will be maximum when θ = 90o.

Thus, for maximum force the direction of current and magnetic field must be perpendicular to each other.

Answer 2

Answer:

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Explanation:

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