Diagram below shows a copper rod being pulled across a magnetic field. 
Rajah di bawah menunjukkan sebatang rod kuprum ditarik merentasi medan magnet.
Which graph shows the relationship between the induced e.m.f. across the copper rod 
and the speed of the copper rod?
Graf manakah menunjukkan hubungan antara d.g.e. aruhan merentasi rod kuprum dan 
laju gerakan rod kuprum? 
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  Answer
A 

