Question 44
Electrical Energy and PowerA lamp is rated 240 V, 60 W. The resistance of the filament is
- A.960 Ω
- B.16 Ω
- C.15 Ω
- D.4 Ω
Show the answer and explanation
Answer: A (960 Ω)
Explanation
R = V²/P = 240²/60 = 960 Ω.
A lamp is rated 240 V, 60 W. The resistance of the filament is
Answer: A (960 Ω)
R = V²/P = 240²/60 = 960 Ω.