Hambatan = 500 ohm, arus 2 A selama 50 menit. Tentukan energi listrik yg diperlukan

diket. R = 500 ohm
I = 2 A
t = 50 menit x 60 = 3000 s
dit. Energi (W)
jwb : W = I^2 x R x t
=2^2 x 500 x 3000
=4 x 1.500.000
=6.000.000 joule( 6 x 10^6 j)
= 6000000/1000 = 6000 kilo joule