Question

an electric bulb is rated 220v and 100w. when it's operated on 110v, what will be the power consumed?​

Answer 1

Answer:

Power Consumed = 25 Watt

Explanation:

Given :-

Power Rated = 100 W

Voltage Rated = 220 V

Resistance = ?

• P = V² / R
• R = V² / R
• R = 220 × 220 / 100
• R = 484 ohm

Voltage Supply = 110 V

Power Consumed = V² / R

= 110 × 110 / 484

= 25 watt

Answer 2

Sahi boli bhen ,

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