Question: Umfundi usebenzise izintambo ezimbili ezinde ukuxhuma isibani ebhethrini. Umfundi waphawula ukuthi lapho nje isifunda sesiqediwe, ikhampasi eseduze yaqala ukukhomba enye indlela hhayi enyakatho. Ikhampasi ibheke kwelinye icala ngoba isabela ku-
Options:
ukushisa okukhiqizwa isibane
ukukhanya okukhiqizwa yisibani
insimu kagesi ekhiqizwa ibhethri.
i-magnetic field ekhiqizwa amandla kagesi
Answer: D