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The Seebeck coefficient is temperature VIEGA dependent Time left Metals have no band gap whereas semiconductors have a smaller band gap than insulators. The photon energy of electromagnetic waves is defined by Eshi The energy required to heat 4 kg of water from O'C to 90C is 500M) 1000 tons of coal are used in a year in Van Eck Power Station. The estimated production of electricity in Tera Joule is I A natural gas contains about of methane (CH4 has the largest value of eneagy content per ton The represents the reverse of the generation of a thermo-current Beides temperature is another way of increasing the electrical conductivity of semiconduct Issociated with metallisuraces while the photo