3. An electric lamp can be modelled as a resistor. Four electrical halogen light bulbs (lamps) will be used to illuminat

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3. An electric lamp can be modelled as a resistor. Four electrical halogen light bulbs (lamps) will be used to illuminat

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3 An Electric Lamp Can Be Modelled As A Resistor Four Electrical Halogen Light Bulbs Lamps Will Be Used To Illuminat 1
3 An Electric Lamp Can Be Modelled As A Resistor Four Electrical Halogen Light Bulbs Lamps Will Be Used To Illuminat 1 (12.73 KiB) Viewed 16 times
3. An electric lamp can be modelled as a resistor. Four electrical halogen light bulbs (lamps) will be used to illuminate an area of 100 m². A light intensity of 40 lm/m is needed. Light bulbs can supply 20 lm/W at 220V. What should be the power of each lamp to illuminate the area? What is the current and resistance of each lamp?
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