Microwave ovens are very inefficient. 1100 watts input power to the magnetron, only 3-10 watts dissipated in the target. But(!), I’m not willing to believe that a microwave oven’s clock uses more than a watt.
Microwave ovens are very inefficient. 1100 watts input power to the magnetron, only 3-10 watts dissipated in the target. But(!), I’m not willing to believe that a microwave oven’s clock uses more than a watt.