Jawaban:
d. 540 J
Penjelasan:
1/Rp = 1/24 + 1/12
1/Rp = 1/24 + 2/24
1/Rp = 3/24
3Rp = 24
Rp = 24 : 3
Rp = 8 ohm
I = V/Rp
I = 6/8
I = 0,75 A
t = 2 menit = 2 × 60 s = 120 s
W = I² . R . t
W = 0,75² . 8 . 120
W = 540 J
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Jawaban:
d. 540 J
Penjelasan:
1/Rp = 1/24 + 1/12
1/Rp = 1/24 + 2/24
1/Rp = 3/24
3Rp = 24
Rp = 24 : 3
Rp = 8 ohm
I = V/Rp
I = 6/8
I = 0,75 A
t = 2 menit = 2 × 60 s = 120 s
W = I² . R . t
W = 0,75² . 8 . 120
W = 540 J