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7. An electric bulb is rated 250w-230v.What information does this convey? |
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Answer» It is the power rating for the bulb.(A power rating is a measurement of the maximum amount of power that can be used with a specific tool or device.) Power = 250 WVoltage = 230 V It indicates two factors:(i) Maximum power that the bulb can be used with and (ii) Amount of energy that the bulb consumes. Multiply the number of hours the bulb is used on an average day by the wattage. This will give you the watt-hours or energy consumed per day. it means that the amount of electricity bulb can transform into light over a given amount of time. here the |
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