Question

In an experiment of determining the equivalent resistance of two resistors connected in parallel, a resistance is introduced in series with the circuit. If all the resistances have equal magnitude and net resistance is of 15 Ω, then what is the value of one resistance? What will be the equivalent resistance if all three resistors are connected in parallel?

Answer 1

heya

To determine the equivalent resistance of two resistors when connected in parallel

1.To find the equivalent resistance of the circuit, notice that the parallel connection of R2 and R3 is in series with R1, so the equivalent resistance is Req=R1+(1R2+1R3)−1=1.00Ω+(16.00Ω+113.00Ω)−1=5.10Ω. ...

2.The current through R1 is equal to the current supplied by the battery: I1=I=VReq=12.0V5.10Ω=2.35A

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