The force due to the magnetic field on a current carrying conductor is _ to the magnetic field and___ to the current.

perpendicular, perpendicular

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parallel, parallel

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parallel, perpendicular

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perpendicular, parallel

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Solution

The correct option is A
perpendicular, perpendicular

According to Fleming's left-hand rule, hold the forefinger, middle finger and thumb of the left hand in mutually perpendicular directions.
If the forefinger indicates the direction of the magnetic field and the middle finger the direction of the current, then the thumb will indicate the direction of motion of the conductor.
Hence, force is perpendicular to both the current and magnetic field.

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