An electric bulb rated '220 V, 60 W' glows when connected with 220 V mains. Find the resistance of the filament of the bulb.
Text Solution
AI Generated Solution
To find the resistance of the filament of the bulb rated '220 V, 60 W', we can follow these steps:
### Step 1: Understand the relationship between power, voltage, and resistance
We know that the power (P) consumed by an electrical device can be expressed in terms of voltage (V) and resistance (R) using the formula:
\[ P = \frac{V^2}{R} \]
### Step 2: Rearrange the formula to find resistance
From the power formula, we can rearrange it to solve for resistance (R):
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