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2020 WAEC Physics Theory In a solar panel for heat supply, state the function of each of the following...

Physics
WAEC 2020

In a solar panel for heat supply, state the function of each of the following parts: (a) metal flat plate; (b) thermal insulator: (c) tubes.

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Explanation

(a) Function of metal flat plate of solar panel
- Receives and absorbs solar radiation to produce heat

(b) Function of internal insulator of solar panel

- Minimises heat loss

(c) Function of tubes of solar panel
- Helps to circulate the heat 


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