Question

An electric kettle is rated 220 volts and 1000 Walt. what is the resistance of its element​

Answer 1

Answer:

Mark me as brainliest

Explanation:

Well, P=IV and Ohm's Law states V=IR, so

[math]P=V^2/R[/math]

or

[math]R=V^2/P=220^2/1500=32.3 \Omega.[/math]

As for the maximal voltage, a “220-V signal” means that the signal's RMS voltage is 220 V. For a sinusoid, they're related by a factor of [math]\sqrt{2}[/math] with the peak voltage being larger, so the max voltage is [math]220\sqrt{2}=311[/math] V.

Answer 2

Answer:

An electric kettle rated 250V can bring a certain amount of water to its boiling point in 8 min.