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A bulb is rated at 200V-100W. What is it's resistance? Five such bulbs burn for 4 hours. What is the electrical energy consumed? Calculate the cost if the rate is 4.60 ruppes per unit. |
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Answer» A bulb is rated at 200V-100W. What is it's resistance? Five such bulbs burn for 4 hours. What is the electrical energy consumed? Calculate the cost if the rate is 4.60 ruppes per unit. |
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