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Paper 4Theory (Extended)4 marks
An A.C. generator produces a sinusoidal e.m.f. over time.
Description
Sinusoidal e.m.f. Graph
The graph shows the e.m.f. generated by the A.C. generator over one complete cycle.
- a[2]
Explain the significance of the zero points on the e.m.f. graph.
Aim for approximately 2 distinct marking points.
- b[2]
Determine the orientation of the coil when the e.m.f. is at a trough.
Aim for approximately 2 distinct marking points.
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