Capacitor and capacitance
Answers are for parents and teachers.
1
q = 150 µC, U = 25 V. Capacitance in µF?
6
2
A 5 µF capacitor is at 40 V. The charge in µC?
200
3
1 µF, 2 µF, 7 µF in parallel. Total capacitance in µF?
10
4
10 µF and 15 µF in series. Total capacitance in µF?
6
5
Why is it dangerous to touch capacitors in old TVs or power units?
They keep charge for a long time and may discharge through you; only a specialist opens such devices.