Electrical questions asked by real students

Real electrical engineering questions, solved step by step Every question below was submitted by a real student and answered step by step.

並列回路で 12 V・4 A・R1 = 6 Ω から R2 を求める

合成抵抗は 12/4 = 3 Ω なので 1/R2 = 1/3 − 1/6 となり R2 = 6 Ω。枝ごとの電流による検算と、直列ではあり得ない理由も示す。