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rajic007

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rajic007

kettle

The information given for an electric kettle includes the following numbers and letters: 200 ? 230 V, 1500 ? 2300 W, 50 Hz. Explain what these numbers mean
19:38 Sun 04th Nov 20072 answers, last by 8733mags 09:03 Wed 07th Nov 2007
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rajic007

bird

Explain why a bird sitting on a 400 kV power transmission cable is not electrocuted
19:37 Sun 04th Nov 20078 answers, last by tufty7 23:40 Sat 10th Nov 2007

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