Virtual Labs

Impedance/resistance experiment using source meter

1. What is your observation when the electrode distance is kept far in the simulator ?

a: Transfer of electrons not observed Explanation

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b: Higher resistance to transfer of electrons and protons Explanation

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c: Higher resistance to transfer of protons only Explanation

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d: Higher resistance to transfer of electrons only Explanation

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2. What is your observation, when the biofilm formation is kept medium in the simulator ?

a: No bioelectricity production Explanation

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b: Electrons and protons move at a faster rate Explanation

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c: Electrons and protons move at a slower rate Explanation

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d: The movement of electrons and protons is not visualized Explanation

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3. From the simulator, what do you think is the relation between the surface area of electrodes and the performance efficiency of MFC ?

a: Surface area of electrodes is directly related to the performance efficiency of MFC Explanation

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b: The surface area of electrodes is inversely related to the performance efficiency of MFC Explanation

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c: No relation between the surface area of electrodes and the performance efficiency of MFC Explanation

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d: Surface area is an independent factor in MFC Explanation

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4. Which of the following parameters contribute to the better performance of an MFC ?

a: The lower surface area of electrodes, medium biofilm formation, and positioning of electrodes closer Explanation

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b: The higher surface area of electrodes, low biofilm formation, and positioning of electrodes nearer Explanation

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c: The higher surface area of electrodes, high biofilm formation, and positioning of electrodes farthest Explanation

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d: The lower surface area of electrodes, high biofilm formation, positioning of electrodes nearer Explanation

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5. Which of the following(s) contributes to greater impedance to the MFC in the simulator ?

a: High Biofilm Formation Explanation

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b: The lower surface area of the electrodes Explanation

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c: Farthest electrode position Explanation

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d: All the above Explanation

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