Solution Found!
When is a 1.5-V AAA battery not actually a 1.5-V battery?
Chapter 25, Problem 5DQ(choose chapter or problem)
QUESTION:
Problem 5DQ
When is a 1.5-V AAA battery not actually a 1.5-V battery? That is, when do its terminals provide a potential difference of less than 1.5 V?
Questions & Answers
QUESTION:
Problem 5DQ
When is a 1.5-V AAA battery not actually a 1.5-V battery? That is, when do its terminals provide a potential difference of less than 1.5 V?
ANSWER:
Solution 5DQ
Step 1:
The emf () of the given AAA battery is 1.5 V. When the terminals of the battery are not connected to a closed-circuit the internal resistance (r) of the battery opposes the current (I) to flow through it. It results in voltage drop across its terminals.