### Concept Items

## 19.2 Series Circuits

In which circuit are all the resistors connected in series?

What is the voltage and current through the capacitor in the circuit below a long time after the switch is closed?

- 0 V, 0 A
- 0 V, 10 A
- 10 V, 0 A
- 10 V, 10 A

## 19.4 Electric Power

To draw the most power from a battery, should you connect a small or a large resistance across its terminals? Explain.

- Small resistance, because smaller resistance will lead to the largest power
- Large resistance, because smaller resistance will lead to the largest power

If you double the current through a resistor, by what factor does the power dissipated by the resistor change?

- Power increases by a factor of two.
- Power increases by a factor of four.
- Power increases by a factor of eight.
- Power increases by a factor of 16.