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1. (i) For each case in the following figure, is the potential difference V - Vi positive, negative, or zero? a) b) c) d) + f

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i) Uf- ve is tre 2. a) Vo - Vi = 0 el) vf - Vi is are gų-V = 0 b) V - Vi is ove e) V - Vi=0 c) ug - vi is the b) Vf Vi is are

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