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6. In the circuit below calculate the following: . Total resistance. The ammeter reading. The voltage dropped across R1. The reading on the ammeter if a second voltage source (battery)

wasplaced in the circuit with a value of 27V (series aiding). The reading on the ammeter if a second voltage source (battery) wasplaced in the circuit with a value of 4V (series opposing).

Fig: 1

Fig: 2

Fig: 3

Fig: 4

Fig: 5

Fig: 6