tolong jawab ya no 48.49.50

semoga membantu
[tex]48.) \frac{1}{6} + \frac{1}{3} + \frac{1}{2} = \frac{1 + 2 + 3}{6} = \frac{6}{6} = 1 \\ \: \: \: \: \: 1 + 8 + 7 = 16(jawabannya \: c) \\ 49.)np = 800 \\ \: \: \: \: \: \: \: ns = 4000 \\ \: \: \: \: \: \: \: vp = 220 \: v \\ \: \: \: \: \: \: \: vs = ... \\ jawab = \\ \frac{np}{ns} = \frac{vp}{vs} \\ \frac{800}{4000} = \frac{220 \: v}{vs} \\ 800 \: vs = 4000 \times 220 \: v \\ 800 \: vs = 880000 \: v \\ vs = \frac{880000 \: v}{800} = 1100 \: v \: (jawabannya \: d) \\ 50.)r1 = 4 \\ \: \: \: \: \: \: \: r2 = 12 \\ \: \: \: \: \: \: \: r3 = 6 \\ \: \: \: \: \: \: \: v = 24 \: v \\ \: \: \: \: \: \: \: i = ... \\ jawab = \\ \frac{1}{r2} + \frac{1}{r3} = \frac{1}{12} + \frac{1}{6} = \frac{1 + 2}{12} = \frac{3}{12} = \frac{12}{3} = 4 \\rtotal = 4 + r1 = 4 + 4 = 8\\ i = \frac{v}{rtotal} = \frac{24}{8} = 3 \: a \: (jawabannya \: c)[/tex]