Angle measurement
<Angle measurement
- Anticlock wise angles are taken as positive & clockwise as negative (using right hand rule).
- 1revolution =1rotation = 1 cycle = 2p rad = 3600
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^A long horizontal fixed wire carries a current of 100 A. Directly above and parallel to it is another wire carrying a current of 20 A and weighing 0.04 N/m.
^A long horizontal fixed wire carries a current of 100 A. Directly above and parallel to it is another wire carrying a current of 20 A and weighing 0.04 N/m. The separation between the two wires so that the upper wire is just supported by the magnetic repulsion is
