tem 13 Constants Part A Resistivity measurements on the leaves of corn plants ar

Question

tem 13 Constants Part A Resistivity measurements on the leaves of corn plants are a good way to assess stress and overall health. The leaf of a corn plant has a resistance of 2.3 MS2 measured between two electrodes placed 20 cm apart along the leaf. The leaf has a width of 2.3 cm and is 0.20 mm thick. What is the resistivity of the leaf tissue? Express your answer to two significant figures and include the appropriate units. The leaf You may want to review (Pages 709-712) Value Units Submit Request Answer Part B Is this greater than or less than the resistivity of muscle tissue in the human body? O greater O less Submit Request Answer Provide Feedback

Explanation / Answer

Here ,

let the resistivity of the leaf is p

as R = p * length/area

2.3 *10^6 = p * 0.20/(0.023 * 0.20 *10^-3)

solving for p

p = 52.9 Ohm.m

the resistivity of leaf tissue is 52.9 Ohm.m

b) it is less than the resistivity of human tissue

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