what is solar cell panels mention any three applications and limitations
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solar cell has two layers called Ntype and Ptype.N type material is obtained by doping silicon Crystal with Ntype impurity and Ptype metal is obtain by doping silicon Crystal p type impurity.
when sun light strikes the N type thin layer , the light rays penetrates upto p type layer. The energy from the photon in the light waves is import to the molecules and atoms in the pn junction resulting in liberation of electron hole pairs
applications:
1.water heating
2.space heating
3.solar air heater
limitations:
1.high initial cost
2.not suitable for all conditions
3. power storage is major problem
when sun light strikes the N type thin layer , the light rays penetrates upto p type layer. The energy from the photon in the light waves is import to the molecules and atoms in the pn junction resulting in liberation of electron hole pairs
applications:
1.water heating
2.space heating
3.solar air heater
limitations:
1.high initial cost
2.not suitable for all conditions
3. power storage is major problem
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