On my microwave, it takes about 96,000 joules (800W x 2') to heat up a plate with leftovers, while doing it on my oven it takes around 432,000J (1800W * 4').
On my microwave, it takes about 96,000 joules (800W x 2') to heat up a plate with leftovers, while doing it on my oven it takes around 432,000J (1800W * 4').