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9702_w16_41/42/43 Discussion

I

iSean97

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Finished Paper 43 today,

But I encounter two weird questions for the paper,
1. - Band Theory for Metals, but diagram given have no overlap of conduction band
2. Op-amp, where is the direction of current flowing?

Uncertainty for the graph for Lenz's Law and EMI, how to draw E vs t graph from I vs t?
 
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