If the maximum voltage across a 100ohms resistor is 20V, then the maximum power it...
PHYSICS
JAMB 1995
If the maximum voltage across a 100ohms resistor is 20V, then the maximum power it can dissipate is
- A. 5.00W
- B. 4.00W
- C. 2.00W
- D. 25W
Correct Answer: B. 4.00W
Explanation
P = \(\frac{V^2}{R}\)
= \(\frac{20 \times 20}{100}\)
= 4W
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 Your email address will not be published.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 *