====== Podstawy elektroniki, elektrotechniki i miernictwa - Lista 1. ====== ===== Zadanie 1. ===== $I_1=6A \quad \Delta t_1 = 10 min = 600s \quad I_2=1mA = 0,001 A$ \\ $\Delta Q = ? \quad \Delta t_2 = ?$ \\ $I= \frac{\Delta Q}{\Delta t} \Rightarrow \Delta Q = I \cdot \Delta t$ \\ $\Delta Q = 6 \cdot 600 = 3600 \quad \left[ A\cdot s = C \right ] $ \\ $I= \frac{\Delta Q}{\Delta t} \Rightarrow \Delta t = \frac{\Delta Q}{I}$ \\ $\Delta t = \frac{3600}{0,001}= 3600000 \quad \left [\frac{C}{A}=\frac{\frac{A}{s}}{A}=s\right ] $ ===== Zadanie 2. ===== $R = 30 \Omega \quad U = 240V $ \\ $I = ? \quad P = ?$ \\ $U = RI \Rightarrow I = \frac{U}{R}$ \\ $I = \frac{240}{30} = 8 \left[\frac{V}{\Omega }=\frac{V}{\frac{V}{A}}= A\right ]$\\ $P = I \cdot U$ \\ $P = 8 \cdot 240 = 1920 \left [ A\cdot V = W \right ]$ ===== Zadanie 3. =====