If current image vertical straight line conductor in a circuit is flowing downwards, what is the direction of the magnetic field viewed from above, clockwise or anti-clockwise?
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Answer:
The direction of the magnetic field will be clockwise.
Explanation:
According to the right hand screw rule, the magnetic field will be in the clockwise direction if viewed from the top.
Maxwell's right hand screw rule states that if the thumb of the right hand is placed in the direction of the current then the direction in which the fingers can be curled will indicate the direction of the magnetic field.
Therefore, if we put the thumb of right hand in the direction of the current i.e. in the downward direction then the fingers of the right hand can be curled in the clockwise direction if we see from the top.
Hope this helps.
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