For a parallel circuit with two resistors, the total resistance is calculated from the expression:
1/R = 1/R1 + 1/R2
We are given the total resistance, R, which is 20 ohms and R2 which is 75 ohms. We calculate R1 as follows:
1/20 = 1/R1 + 1/75
1/R1 = 11/300
R1 = 27.27 ohms
When it has a magnetic field
Its when the animal repeats what it is taught similar to a child you never really teach them to lie it just happens because they have seen other people do it
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Pretty sure it’s c because you would just subtract the 3 miles from the 20