| Difficulty | Secondary School | High school/other |
| ★ | Basic | Easy |
| ★★ | Demanding | Basic |
| ★★★ | Demanding | |
| ★★★★ | Difficult | |
| ★★★★★ | Very difficult |
Determine the capacitance of the capacitor.
Tip: $Q = \int I(t) dt $
Answer: $980\ \mu F$ - $1100\ \mu F$
Exercise 4.8 B
| Difficulty | Secondary School | High school/other |
| ★ | Basic | Easy |
| ★★ | Demanding | Basic |
| ★★★ | Demanding | |
| ★★★★ | Difficult | |
| ★★★★★ | Very difficult |
Determine the capacitance of the capacitor and the phase between the voltage and the electric current.
Answer: $210\ \mu F$ ; $-56°$
Exercise 4.8 C
| Difficulty | Secondary School | High school/other |
| ★ | Basic | Easy |
| ★★ | Demanding | Basic |
| ★★★ | Demanding | |
| ★★★★ | Difficult | |
| ★★★★★ | Very difficult |
Determine the capacitance of the capacitor and the phase between the voltage and the electric current.
Answer: $180\ \mu F$ ; $-60°$