Q. For which of these devices does negative charge carriers flow from anode to cathode in the external circuit?

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Q. The fuel cell is considered a battery in which ___________ is continuously replaced.

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Q. The type of reactions in a fuel cell is not determined by __________

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Q. What is the voltage output of hydrogen-oxygen fuel cell?(in V)

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Q. What is the voltage output of carbon-oxygen fuel cell?(in V)

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Q. What is the voltage output of methane-oxygen fuel cell?(in V)

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Q. Which of these gases or liquids are not used as source of hydrogen in fuel cells?

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Q. The hydrocarbons cracked with steam in fuel cells do not give rise to __________

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Q. Which of these should not be a properties of fuel cell electrodes?

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Q. Which of these fuel cell operates at temperature below 100°C?

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Q. Which of these fuel cells operates at high temperatures and pressures?

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Q. Which of the following is a non-renewable resource?

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Q. Which among the following is not a renewable source of energy?

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Q. Identify the non-renewable energy resource from the following.

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Q. Which of the following is a disadvantage of most of the renewable energy sources?

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Q. Photovoltaic energy is the conversion of sunlight into ___________

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Q. Horizontal axis and vertical axis are the types of ___________

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Q. Which among the following is not an adverse environmental impact of tidal power generation?

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Q. Steam reforming is currently the least expensive method of producing ___________

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Q. A fuel cell, in order to produce electricity, burns ___________

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