The current of an ordinary household incandescent lamp is close to () A. 0.18AB. 1.8AC. 3AD. 0.018A

The current of an ordinary household incandescent lamp is close to () A. 0.18AB. 1.8AC. 3AD. 0.018A


When an ordinary household incandescent lamp works normally, the voltage is 220 V, and the power is generally 15 W -- 60 W. from the formula P = UI, I = & nbsp; PU can be obtained, and the current is close to 0.18 a



The current of ordinary household incandescent lamp is close to ()
A. 0.02AB. 0.2AC. 2AD. 20A


The power of household incandescent lamp is generally 60W, and the voltage of household circuit is 220V. According to P = UI, the current passing through: I = Pu = 60w220v ≈ 0.27A. According to the options, option B is more suitable. So choose B