A lamp is rated 240V, 60W. The resistance of the filament is
-
960\(\Omega\)
- 16\(\Omega\)
- 15\(\Omega\)
- 4\(\Omega\)
The correct answer is: A
Explanation
P = \(\frac{V_2}{R}\) \(\Rightarrow\) R = \(\frac{V_2}{p}\)= \(\frac{240\times 240}{60}\)
= 960\(\Omega\)