How must a voltmeter be connected in a circuit?

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jimbo71

Homework Statement

How must a voltmeter be connected in a circuit to measure voltage across a resistor and why?

Vv=Ifs(Rc+Rs)

I think the voltmeter must be connected parallel to the series with its terminals on either side of the resistor.

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LowlyPion

... why?

jimbo71

I'm not sure