A current flows in a conductor from east to west. The direction of the magnetic field at a point above the conductor is: A. towards east B. towards west C. towards north D. towards south

 Answer: (c) Towards north


The 3D orientation of the axis is represented by the right hand thumb rule. However, in our scenario, we have the following information. A current moves from east to west in a conductor. As a result, the magnetic field’s direction will be neither east nor west. As a result, we’ll employ Maxwell’s right-hand thumb rule. When current travels from east to west, the magnetic field moves clockwise, from north to south, according to Maxwell’s right hand thumb rule. Similarly, when current runs from west to east, the magnetic field moves in the opposite way, from south to north, in an anti-clockwise pattern.

For current flow in a conductor from east to west, the direction of the magnetic field at a location above the conductor will be towards the east.


When a current-carrying conductor is exposed to a magnetic field, it experiences a force. Electric current can be induced in a moving conductor when it is set in a magnetic field. Fleming’s Right-hand rule can be used to determine the direction of the induced current.

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