Explain the equation R α 1/r4.
A) Radius is equal to the 4th power of the resistance.
B) Radius is inversely proportional to the 4th power of the resistance.
C) Resistance is equal to the 4th power of the radius.
D) Resistance is inversely proportional to the 4th power of the radius.
E) Resistance is equal to the rate of blood flow to the 4th power.
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