Texts: In the diagram, A is an ammeter, V is a voltmeter. S1 and S2 are switches with negligible resistance. R1 = 240 Ω and R2 = 120 Ω.
a) Switch S1 is open and S2 is closed.
1) Find the total resistance of the circuit.
2) Find the reading of the ammeter A.
3) Find the reading of the voltmeter V.
4) Find V and I for each resistor.
1) V1
2) V2
3) V3