Question no. 14 of Science class 10
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(a)The right-hand rule is a common mnemonic for understanding orientation conventions for vectors in three dimensions.
(b)if the forefinger , second finger and thumb of left hand are stretched at right angle to each other ,with the forefinger in the direction of field and second finger in the direction of the current the thumb indicated the direction of force.
(c)If the forefinger, second finger and thumb of right hand are stretched at right angle to each other with the forefinger in the direction of the field and the thumb in the direction of the motion of the wire then the current in the direction of the second finger.
(b)if the forefinger , second finger and thumb of left hand are stretched at right angle to each other ,with the forefinger in the direction of field and second finger in the direction of the current the thumb indicated the direction of force.
(c)If the forefinger, second finger and thumb of right hand are stretched at right angle to each other with the forefinger in the direction of the field and the thumb in the direction of the motion of the wire then the current in the direction of the second finger.
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