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A torch bulb is rated 5 v and 500mA. Calculate the following if the bulb is lighted for 4 hours.
1.its power
2.its resistance
3.the energy consumed in 4 hrs?
Most Upvoted Answer
A torch bulb is rated 5 v and 500mA. Calculate the following if the bu...
1. power=VI ⇒5 × 0.5 ⇒ 2.5 watt 2. resistance =v/I ⇒ 5/0.5 ⇒ 10 ohm 3. energy =p×t ⇒ 0.0025×4 ⇒ 0.01 kwh
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A torch bulb is rated 5 v and 500mA. Calculate the following if the bulb is lighted for 4 hours.1.its power 2.its resistance3.the energy consumed in 4 hrs?
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A torch bulb is rated 5 v and 500mA. Calculate the following if the bulb is lighted for 4 hours.1.its power 2.its resistance3.the energy consumed in 4 hrs? for Class 10 2025 is part of Class 10 preparation. The Question and answers have been prepared according to the Class 10 exam syllabus. Information about A torch bulb is rated 5 v and 500mA. Calculate the following if the bulb is lighted for 4 hours.1.its power 2.its resistance3.the energy consumed in 4 hrs? covers all topics & solutions for Class 10 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A torch bulb is rated 5 v and 500mA. Calculate the following if the bulb is lighted for 4 hours.1.its power 2.its resistance3.the energy consumed in 4 hrs?.
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