Question

Write working principle of solarpenal.

ii)Two advantages to use solarpanel.

iii)Two disadvantages to use solarpanel.

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Answer 1

Answer:

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(I) Silicon crystals are laminated into n-type and p-type layers, stacked on top of each other. Light striking the crystals induces the “photovoltaic effect,” which generates electricity. The electricity produced is called direct current (DC) and can be used immediately or stored in a battery.

(2) Advantages of Solar Energy

i) Renewable Energy Source

ii) Reduces Electricity Bills

(3) Disadvantages of Solar Energy

i) Uses a Lot of Space

ii) Weather Dependent

Answer 2

I.works on the basis of conversion of sunlight into electricity through photo voltic effect

ii. it is beneficial in rural areas where power plant set up can be costly

2. they have no moving parts..hence say to move and construct

iii. they are very expensive for manufacturing due to expensive parts.

they have low efficiency for generating electricity