Question

what is the difference between conventional and non conventional source

Answer 1

The coal , petroleum, natural gas and electricity are conventional sources of energy. >Conventional sources of energy are not abundant, present in limited quantity, means e.g. coal, petroleum, natural gas. ... >Conventional source are called non-renewable fuel sources of energy........

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Answer 2

all those sources which are available in nature in a limited quantity are conventional sources e.g. coal petroleum
whereas those sources which can be renews after use are called nonconventional sources e.g.solar energy wind energy