Latest NDA Aptitude Question SOLUTION: A current-carrying wire is known to produce magnetic lines of force around the conducting straight around
wire. The direction of the lines of force may be described by -
(a) left-h
A current-carrying wire is known to produce magnetic lines of force around the conducting straight around
wire. The direction of the lines of force may be described by -
(a) left-had thumb rule for up-current and right-hand thumb rule for down-current
(b) right-hand thumb rule for up-current and left-hand thumb rule for down-current
(c) right-hand thumb rule for both up and down currents
(d) left-hand thumb rule for both up and down currents