1. What kind of circuit is shown above?
2. Which circuit can make light bulbs turn on brighter?
3. Which circuit will make light bulb shine with the same brightness?
![1 What Kind Of Circuit Is Shown Above2 Which Circuit Can Make Light Bulbs Turn On Brighter3 Which Circuit Will Make Light Bulb Shine With The Same Brightness class=](https://ph-static.z-dn.net/files/d42/2974e7f1fe6422ffec34341c40012ef0.jpg)