Mutual Inductance Calculator - Parallel Inductances Resistor–Capacitor (RC) Circuit Calculator You may be interested in other calculators in the Electrical, RF and Electronics Calculators group: When combining several resistors in parallel, don’t forget to consider their tolerances and their power ratings and power dissipation. However, the currents flowing through individual resistors are different and depend on their resistance the total current for the group is the sum of the currents through individual resistors. Note also that all resistors connected in parallel have the same voltage across their ends. Note that for a group containing any number of resistors connected in parallel, the equivalent resistance is always less than the smallest resistor in the group of resistors and adding any new resistor will always decrease the equivalent resistance of the group. If there are n equal resistors R connected in parallel, then the equivalent resistance For example, three resistors, 10, 15 and 20 ohms connected in parallel will produce 4.62 Ω: This formula for R eq is used for the calculation in this calculator. The equivalent resistance R eq of a group of resistors connected in parallel is the reciprocal of the sum of the reciprocals of the individual resistors:Įlectrical conductance G is reciprocal to resistance, therefore the equivalent conductance G of a group of resistors connected in parallel is defined as
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