Motor and Battery!

  • Thread starter fomenkoa
  • Start date
  • #1
fomenkoa
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Hey everyone,

I built a motor for my physics exam...and it works extremely well...it spins extremely fast and there are sparks galore on the commutator.

I have it attached to a 6V lantern battery (the ones a bit bigger than your fist).

How long can I expect the battery to keep powering the motor at high speed? Surely if it's that big of a battery, and the circuit is shorted for a split-second...I can expect to keep running the motor for a long long time?
 

Answers and Replies

  • #2
HallsofIvy
Science Advisor
Homework Helper
43,021
970
There is no way to calculate that without knowing a lot of details about resistance, etc. in your motor. If it's important, hook up a battery and time it.
 

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