Physics, asked by shanthimol19812, 7 months ago

a device of 500W in 250V works in 100V.
[1]what is its power?
[2]what is the energy used in 250V for 5 minutes working?

Answers

Answered by shauryaa4258
5

Answer:

....................

Answered by vk8091624
4

Answer:

Resistance of the 220V, 100W bulb is given by R = V2/P = 2202/100 = 484Ω Thus, when connected in series, total resistance Rs = 484 + 484 Ω = 968Ω Power ...

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