Multiple choice

There is a model of a red blood cell capacitor. The radius of the blood cell is about 6 µm and the membrane wall of 0.1 µm is considered to be a dielectric material with a dielectric constant of the cell is ________.

  1. 0.2 x 10-12 F

  2. 0.18 x 10-2 F

  3. 0.18 x 10-9 F

  4. 0.2 x 10-19 F

  5. 0.36 x 10-3 F
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

  C =( 4π є0єrRr)/(R-r) = 0.2 x 10-12 F

  1. 0.18 x 10-2 F

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