Story 2
Storyboard Text
- I bet it's not enough voltage. Let's try adding another 1.5V battery.
- It didn't light!
- IT LIGHTS!
- Why did two batteries work and one didn't?
- It works because there's enough voltage.
- How can we prove that it's enough?
- Using Watt's Law we can determine the minimum voltage.
- W= V*A
- You mean Watts= Volts times Amperage?
- W= V*A V=W÷A V= 2÷0.75 V= 2.67
- Let's substitute and solve!
- This shows that one 1.5V battery isn't enough to power the bulb...
- W= V*A V=W÷A V= 2÷0.75 V= 2.67
- But two 1.5v batteries are more than enough!
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