(Figure 1) shows an ammeter (AM) and voltmeter (VM) connected to measure the current and voltage, respectively, for circuit element A. When current actually enters the + terminal of the ammeter, the reading is positive, and when current leaves the + terminal, the reading is negative. If the actual voltage polarity is positive at the + terminal of t solutionspile.com

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(Figure 1) shows an ammeter (AM) and voltmeter (VM) connected to measure the current and voltage, respectively, for circuit element A. When current actually enters the + terminal of the ammeter, the reading is positive, and when current leaves the + terminal, the reading is negative. If the actual voltage polarity is positive at the + terminal of the VM, the reading is positive; otherwise, it is negative. (Actually, for the connection shown, the ammeter reads the sum of the current in element A and the very small current taken by the voltmeter. For purposes of this problem, assume that the current taken by the voltmeter is negligible.)

A) Find the power for element A if the ammeter reading is +2 A and the voltmeter reading is +30 V.

C) Find the power for element A if the ammeter reading is -2 A and the voltmeter reading is +30 V.

E) Find the power for element A if the ammeter reading is -2 A and the voltmeter reading is -30 V.

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