On the base of the incandescent lamp it is written: “150 W, 220V”. Find the current in the coil when connected to a network

univerkov | November 22, 2020 | education

On the base of the incandescent lamp it is written: “150 W, 220V”. Find the current in the coil when connected to a network with a rated voltage.

1) POWER FORMULA:
P = IU
I-current
U-voltage
P-power
2) EXPRESS THE CURRENT FORCE:
I = P / U = 150W / 220V = 0.68A

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