An electricity and magnetism problem by Nolan Tucker
Electricity and Magnetism
Level
2
A circuit has a five and ten ohm resistor in series, along with a six, seven, and twelve ohm resistor in parallel. What is the total resistance? Round to the nearest ohm.
The answer is 18.
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1 solution
Find Parallel: 1/R=1/6+1/12+1/7.
It rounds to about 3 and add it to 5 and 10 to get 18.