PH-976

Power

Physics · Secondary 3 · Medium · Power

A 60 W lamp is switched on for 3.0 hours each night. How much electrical energy does it use in one night?

$1.8\times10^4\,\text{J}$
$6.5\times10^5\,\text{J}$
$1.1\times10^6\,\text{J}$
$2.2\times10^7\,\text{J}$

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