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Question


A current carrying conductor placed in magnetic field experiences a force. The amount of force experienced by a current carrying conductor in magnetic field can be increased by:


Options:
A .   Decreasing the magnetic field.
B .   Increasing the current in the conductor.
C .   Increasing the magnetic field.
D .   Decreasing the current in the conductor.
Answer: Option B
:
B and C

We know that, force on a current carrying conductor placed in a magnetic field is F = Bil. Given, the direction of electric current is perpendicular to the magnetic field.
So, amount of force experienced by a current carrying conductor placed in a magnetic field depends on
(i) the current in the conductor (i)
(ii) the strength of the magnetic field (B).
(iii) length of the conducting wire (l).



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