A2L Item 224

Goal: Hone understanding of series circuits.

Source: 283-575 Two bulbs in series

A light bulb is connected to a battery as shown in Figure A below. When
a second bulb is connected as shown in Figure B, what happens to the
brightness of the original bulb?

  1. Increases
  2. Decreases
  3. Stays the same
  4. Bulb goes out
  5. Can’t determine



(2) Depending upon the bulbs and battery, the bulbs could appear to go