A 120 V, 60 W lamp is to be operated on 220 V a.c. the
PHYSICS
JAMB 2007
A 120 V, 60 W lamp is to be operated on 220 V a.c. the supply mains. calculate the values of non-inductive resistance that would be required to ensure that the lamp is run on current value.
- A) 100 Ω
- B) 200 Ω
- C) 300 Ω
- D) 500 Ω
Correct Answer: B) 200 Ω
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 Your email address will not be published.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 *