Solar energy Flashcards
1
Q
What are solar cells usually used in?
A
To charge batteries in calculators and watches which don’t require much energy
2
Q
What kind of places is solar power usually used in?
A
In remote places where there’s not much choice & to power electric road signs and satellites
3
Q
What are advantages?
A
. Solar power is very reliable in sunny countries during the daytime
.it can still also be cost effective in cloudy countries like the uk
4
Q
What are disadvantages
A
. can’t increase power output when there’s extra demand
. high initial costs but after that, energy is free and almost 0 running costs.
5
Q
What sort of scale are solar cells usually used to generate electricity on?
A
A small scale