Physics
Senior High
この問題の熱量の求め方教えてください
式に当てはめても答えにならないです😭
13
100V 400Wの電熱器を3時間使用したとき、 電力量 W [kW ・ h〕 および発生した熱量 [MJ]
を求めなさい。 (各3点)
H= I²Rt
P= IV
400-1007
I = 4 A
W = 400x3
= 1200 (Wid]
(Equin]
= 4.32MJ
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