1.

An electric motor takes 5 A from a 220 V line. Determine the power of the motor and the energy consumed in 2 h.

Answer»

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SOLUTION :I = 5A, V = 220 V, t = 2h
P = VI = `200xx5` = 1100W.
ENERGY CONSUMED = `Pxxt=1100Wxx2h=2200Wh=2.2kWh`.


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