How to calculate the equivalent resistance of series and parallel combination?
Answers
Determination of the equivalent resistance of two resistors when connected in parallel.
A circuit is said to be in a parallel connection when the resistors are connected in such a way that they branch out from one point. The potential difference in a parallel circuit is the same for each resistor and the current flow is not the same for all resistors. The total current flow through the circuit is calculated by summing up the current flow through each resistor. Parallel circuit connections find application in household electric distribution. The reason why a parallel circuit is preferred is to avoid short circuit and to monitor the flow of current for different devices. The other type of circuit is a series connection. Below is an experiment to determine the equivalent resistance when the resistors are connected in parallel.
Answer:
In the series combination equivalent resistance (total resistance) is calculated by the formula -------->Rs=R1+R2+R3...
In parallel combination itis calculated by the formula
1/Rp=1/R1+1/R2+1/R3...
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