Question I

$($Sealan II

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subine. Final

Sleom furbine $-$ Tes $+2$

PV

$($a$)$ Explain in detail how photovultaic cells producing an electricity.

$15$ Marks matiall Ranke.

$1$

$($b$)$ A horizontal axis wind turbine capable to harvest electricity from wind. Howeveg the wind turbine does not always work based on several factors. Based on ydu $0$ ge theory understanding, evaluate on how to extract electricity in fullest from those factors? fattor tersebut?

$(5$ Marks$/$Markah$)$

$($c$)$ Figure I shows the performance graph of X$-$ion battery. Explain in detail the C rate and evaluate how to prolong the use of battery life$/$ Dont e hoeqge overnight

$($Rajah I memunjullan graf prestasi untuk bater Nilos Jotaskan dengan terperinci tentang hadar$-$C dan hurailan Bagaimana cara memanjanglan hayat pengunaan bateri Il$-$ion$/$

$(5$ Marks$/$Markah$)$

Figure $1$

$($d$)$ There are $6$ polycrystalline PV panels rated at $350$ Wp $.$ Each panel is capable of inducing $12$ V and $5$ A at no load. With the aid of sketch, connect all the PV panels in a correct connection and all other components in correct order.

$[$Terdapat $6$ panel PV polihabluran berkadar $350$ Wp$.$ Setiap panel mampu mengereratlan $12$ V dan $5$ A lanpa beban. Dengan bantuan lakaran, sambungkan semua panel PV dalam sambungan selari dan semua komponen lain dalam susunan Jang betul$]$

$(5$ Marks$/$ Markah$)$