Q. 20 Watt compact 'fluorescent bulb' is equivalent to a 100-W ordinary

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Q. Hospitals, having less premises, can be benefited from an electrical power source about

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Q. In 2010, average global household electricity consumption was approximately:

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Q. In 2000, total installed world capacity of PV increased about:

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Q. By 2010, germany has been given a target of installing :

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Q. An important component of a solar water heater:

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Q. Cost of solar home system ranges from:

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Q. In tropical countries, a solar cooking stove provides an efficient alternative to:

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Q. In 1995, energy of solar arrays being generated:

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Q. Over 20,000 water pumps are powered by:

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Q. In 2010, 'USA' has completed a target of roof top solar system, roundabout:

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Q. In a storage tank, hot water is required for:

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Q. Almost 1.1 million, solar home system and solar lanterns, installed in Asia and

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Q. Back tube of solar water heater is surrounded with a:

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Q. In 1995, Austrian Government had installed:

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Q. 'silicon photovoltaic' solar cell consists of a thin slice of:

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Q. Cost of energy from solar cells has reduced over past

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Q. Thermal energy from sun is used for heating buildings in

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Q. A black surface, capable of facing full sunlight, can absorb

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Q. Japan has installed rooftop

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