Question

Which of the following statements would not be true about photovoltaic cells? They are a renewable source of energy. They can generate electricity on both a small and large scale. They commonly use silicon, but other semiconductors are sometimes used. They concentrate the Sun's heat, generating steam to drive an electrical generator. They contain an n-type semiconductor layer.

Answer 1

Answer

They concentrate the Sun's heat, generating steam to derive electrical generator

Explanation

In photovoltoic cell light energy is converted to electrical energy by photovoltoic effect. p-n junction diode is used in phototovolttoic cell , when light fall on n - type surface electrons are jumbed from valance bond to conduction bond and diffuse into p-type semi conductor, thus an electrical current is generated by light energy.