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Heating Effect of Current

Show that 1 k...

Question

Show that 1 kWh = $3.6 \times 1$ .

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Solution

Since one kilowatt (kW) is equal to 1000 watts, one watt is equal to one Joule per second, and one hour is equal to 3600 seconds, we can easily work out that one kWh is equal to $(3600 \times 1000) = 3, 600, 000$ Joules, or 3.6 MJ (megaJoules). So, there is our answer, 1 kWh = 3.6 MJ.

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1 k W h = 3.6 \times 10^{6} J

Q. In the video, they said that 1kwh is equal to 3.6*109 J

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Q. I the chapter 'electricity', the cideo regarding electric power states that 1kwh=3.6x10^9 Joules. But it is actually 1kwh=3.6x10^6 Joules. It is also on the internet. Please take this issue to your notice.

Complete the following:
(a) $1 k W h = \frac{1 v o l t \times 1 a m p e r e \times \dots}{1000}$
(b) $1 k W h = \dots j$

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