We desire to measure the current through and the voltage across a resistor connected in a circuit. how should an ammeter and a voltmeter be connected to the resistor?

Question

Physics

Addison Bray

11 August, 17:14

We desire to measure the current through and the voltage across a resistor connected in a circuit. how should an ammeter and a voltmeter be connected to the resistor?

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Answers (1)

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Sterling · Answer 1

An ammeter should be connected in series with the resistor to measure the current through it. If it is connected in parallel, its low resistance would cause a short circuit.

A voltmeter should be connected in parallel with the resistor to measure the voltage across it. If connected in series, its high resistance would cause no current to flow and thus it would show a very small or no reading.