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प्रश्न
An electric bulb is rated as 100W – 250V. What information does it convey? Calculate the current through the filament of the bulb.
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उत्तर
Given: P = 100 W, V = 250 volt
The current through the filament, I = `"P"/"V" = 100/250 = 0.4` A.
संबंधित प्रश्न
Which of the following is likely to be the correct wattage for an electric iron used in our homes?
(a) 60 W
(b) 250 W
(c) 850 W
(d) 2000 W
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