saya kurang mengerti

1. Q = I x t

= 0.3 x (5x60)
0.3 x 300 = 90 C

2. I = Q ÷ t

= 480 ÷ 60 = 8A

3. Q = i x t

= 3 x ( 2x60 )
3 x 120 = 360 C

4. t = Q ÷ i

= 40 ÷ 0.25 = 160 detik

maaf kalau salah (: