Comparing Bulbs Physics Worksheet
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Comparing Bulbs
STUDENT RESOURCE PAGE 2.3
ACTIVITY SHEET
1
Label the terminals and filaments on the bulbs.
#48 Bulb
#222 Bulb
2
Use the battery and wire to light the #48 bulb.
3
Now use the battery and wire to light the #222 bulb.
4
Which bulb was brighter?
5
Now use two batteries to light each bulb. (Place the
batteries end-to-end.) How did the extra battery affect the
bulbs?
6
What can you infer about amount of current in a circuit and
bulb brightness?
ELECTRICITY • SECTION 2 BUILDING A CIRCUIT
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