Which statement best describes the resistance measured across an open switch?

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Multiple Choice

Which statement best describes the resistance measured across an open switch?

When a switch is open, the path for current is interrupted, so no current can flow through it. Resistance is defined by R = V / I, and if the current I is essentially zero while a test voltage is applied, the calculated resistance becomes extremely large (in ideal terms, infinite). In practice, a meter will display a very high reading, often shown as overload. That’s why the correct description of the resistance across an open switch is very high. A closed switch would have very low resistance, and negative resistance isn’t applicable here.

When a switch is open, the path for current is interrupted, so no current can flow through it. Resistance is defined by R = V / I, and if the current I is essentially zero while a test voltage is applied, the calculated resistance becomes extremely large (in ideal terms, infinite). In practice, a meter will display a very high reading, often shown as overload. That’s why the correct description of the resistance across an open switch is very high. A closed switch would have very low resistance, and negative resistance isn’t applicable here.

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