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Transformers only work with AC.
If you put DC into a transformer, all that comes out is smoke.
(a)
Answer:
C
Explanation:
The sun has rotated causing the shadow to reflect.
Answer:
Conduction
Explanation:
When one object touches another heat moves through it (think of a saucepan on a hot stove). Aluminium foil is a great conductor of heat, which means it is a poor insulator when it is in direct contact with something hot.