14.3
Batteries & EMF
Chapter 14
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1/4
A battery has an EMF (ε) of 12V and an internal resistance of 2Ω. You connect it to an external resistor of 4Ω. You clip a voltmeter across the battery’s terminals to measure the voltage.
A battery has an EMF (ε) of 12V and an internal resistance of 2Ω. You connect it to an external resistor of 4Ω. You clip a voltmeter across the battery’s terminals to measure the voltage.