Question

1) Short circuit. math the pairs
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Answer 1

Explanation:

A short circuit implies that the two terminals are externally connected with resistance

R=0

, the same as an ideal wire. This means there is zero voltage difference for any current value. (Note that real wires have non-zero resistance!)

An open circuit implies that the two terminals are points are externally disconnected, which is equivalent to a resistance

R=∞

. This means that zero current can flow between the two terminals, regardless of any voltage difference. (Note that very high voltages can cause arcs of current to flow even over large air or vacuum gaps!)

Answer 2

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