如图所示,是某电器内部的电路结构图,R1、R2为阻值相同的电热丝

如图所示,是某电器内部的电路结构图,R1R2为阻值相同的电热丝,不同的连接方式其发热功率不同,下列说法正确的是

A.甲的发热功率与丙的发热功率相等           B.丁的发热功率是丙的发热功率的2

C.丙的发热功率是乙的发热功率的2        D.丁的发热功率是乙的发热功率的4

答案

BCD

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