Electrical
Real electrical engineering questions, solved step by step Every question below was submitted by a real student and answered step by step.
12 V 電源在兩個並聯電阻上驅動 4 A 總電流，其中 R1 = 6 Ω，求 R2。先用歐姆定律得等效電阻 3 Ω，再用倒數相加求出 R2 = 6 Ω，並以分支電流 2A + 2A 驗算。