A circuit contains a source of constant voltage V and tworesistors connected in parallel, as shown in (Figure 1).Resistor 1 has resistance R1, and resistor 2 hasresistance R2.Part CNow consider three resistors in parallel, with resistances R1, R2, and R3, as shown in (Figure 3). Again,draw a circuit diagram with a single equivalent resistor, with resistance R. What is the value of R?Figure1 of 3Express your answer in terms of R1, R2, and R3.V ΑΣΦ?VR1R2R =

The resistors R1, R2 , and R3 are in parallel. R = equivalent resistance Thus circuit becomes

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