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  1. ... finger represents direction of current, is vertically downward. First finger , represents direction of magnetic field, is pointing horizontally to the north. The thumb, which represents the direction of magnetic...

  2. ...the movement by USING OUR RIGHT HANDS. Index finger - Points straight Middle finger - 90 o (angle) anti-clockwise Thumb - Point ...

  3. ...pressure is higher than normal. B.because Tom's fingers have vapour on it, the ice will freeze it into ice too, so the vapour...

  4. ...'s left hand rule can be used. The second finger points to the direction of magnetic field. The middle finger points to the direction...

  5. (a) Since the current flows to the right, use the thumb to point in the direction of current, the other fingers give the direction of magnetic field lines. Hence, the direction of file...

  6. ... together: L/2 = c/500 L = c/250 When the string is fingered at a length of only 60% of its original length and under fundamental mode: 0....

  7. ...get an electric shock in all cases except in diagram 4. In diagram 4, the point of touching is at earth potential. There is no potential difference between the person's finger and his body. Hence, no current would flow through his body. ...

  8. ... mutually perpendicular and are represented respectively by the middle finger , thumb and second finger . You may refer to the diagram given below...

  9. ...like an electromagentic. You could use the "right hand grip rule" (curl the fingers along the current direction, the thumb points in the direction of the [north] pole) to find the direction of the magnetic field on the axis...

  10. ... Rule to a particular point on a circular magentic field, your finger should point on the direction of the tangent to that point .