In the figure below, a voltmeter of resistance RV=300, and an ammeter of resistance RA =3.00 Ω are being used to measure a resistance R in a circuit, that also contains a resistance R0 = 100 Ω and an ideal battery of emf -18.0 v. Resistance R is given by R v, where v s the voltmeter reading and The current in resistance R However, the ammeter reading is not I, but rather, which is, plus the current through the voltmeter. Thus, the ratio of the two-meter readings is not R, but only an apparent resistance R' = Vr If R 75.0 Ω: (a) What is the ammeter reading? (b) What is the voltmeter reading?
