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What is the equivalent Inductance when two Inductors, one of 20 henry and another of 10 henry are connected in parallel?

What is the equivalent Inductance when two Inductors, one of 20 henry and another of 10 henry are connected in parallel? Correct Answer 15 henry

The equivalent Inductance when two Inductors, one of 20 henry and another of 10 henry are connected in parallel is 15 henry. When Inductors are placed is parallel to each other then the equivalent Inductance is given by 1/Lt=(1/L1)+(1/L2)+….(1/Ln), where Lt is the total Inductance. L1,L2….Ln are total no. of inductors in series. Therefore (1/Lt)=(1/20)+(1/10) Lt=15 henry.

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