The terminal voltage of a battery is 4.0V when supplying a current of 2.0A, and...
PHYSICS
JAMB 1993
The terminal voltage of a battery is 4.0V when supplying a current of 2.0A, and 2.0V when supplying a current of 3.0A. The internal resistance of the battery is
- A. 0.5Ω
- B. 1.0Ω
- C. 2.0Ω
- D. 4.0Ω
Correct Answer: C. 2.0Ω
Explanation
E = 4 + 2r and E = 2 + 3r
therefore, r = 2Ω
Post an Explanation Or Report an Error
If you see any wrong question or answer, please leave a comment below and we'll take a look. If you doubt why the selected answer is correct or need additional more details? Please drop a comment or Contact us directly. Your email address will not be published. Required fields are marked *