已知R1>R2,下列判断中正确的是( )
A.两电阻串连接入电源时,R1的电功率大
B.两电阻串连接入电源时,R2的电功率大
C.两电阻并连接入电源时,R1的电功率大
D.不管串联还是并联,都是R1的电功率大
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A.两电阻串连接入电源时,R1的电功率大
B.两电阻串连接入电源时,R2的电功率大
C.两电阻并连接入电源时,R1的电功率大
D.不管串联还是并联,都是R1的电功率大