electricity class 10 numericals with solutions
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An electric motor takes 5 A from a 220 V line. Determine the power of the motor and the energy consumed in 2 h. An electric lamp of 100 Ω, a toaster of resistance 50 Ω, and a water filter of resistance 500 Ω are connected in parallel to a 220 V source.
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Solution.
1 Ohm's Law V=IR
6 Power produced in the resistance P=I2
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