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  1. phy mc 二個电灯泡規定值& A和B; lsquo; 10 W, 6 V& rsquo; 並且& lsquo; 5 W, 6 V& rsquo; 在系列分別被連接到6 V 電池。 正確是哪些以下聲明? (1) A抵抗小于那B。 (2)潮流通过A是相同的象那通过B。 (3)比...

  2. internal resistance increases with temperature~ when there this a current flow in the circuit, the current will heat up the resistor and thus the resistance of resistor increases , just the same as the internal resistance of cell. imagine that there is a small resistor inside the cell