Quiz #13: Two 1.5 V batteries — how do you get 3 V? → B, plus to minus
// WHAT YOU WILL LEARN
In series (+ to −) the voltages add: 1.5 + 1.5 = 3 V; side by side (parallel) it stays 1.5 V but lasts longer.
// LESSON NOTES
Two 1.5 V batteries. How do you get 3 V? 🔋🔋
A) side by side
B) plus to minus
C) plus to plus
D) impossible
Answer: B ✅ In a line (plus to minus), each battery pushes on top of the last one: 1.5 V + 1.5 V = 3 V!
Side by side? Still 1.5 V, but it lasts about twice as long.
Next quiz: which battery is 9 volts? Comment your answer! 👇
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Read the voiceover (transcript)
- How do you get three volts from two batteries?
- Four ways to join them. Which one works?
- Lock in your answer!
- It's B, plus to minus!
- In a line, each battery pushes on top of the last one.
- They add up: three volts!
- Side by side? Still one point five.
- Next quiz: which battery is nine volts? Comment your answer!
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