Question

Choose any 5 electrical components from your house and write their ratings (Power &P.Diff.), then find the value of current it requires and also find its resistance.​

Answer 1

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Answer 2

5 appliances with their ratings

Explanation:

• A typical room air conditioner uses 2000-5000Watts of power.
• A laptop consumes 25-75Watts while a PC or a desktop consumes 80-200 watts of power.
• A typical electric hot plate requires 1200 Watt .
• Washing machine consumes 1500 W power.
• An iron for clothes needs 1000 W power.

The potential difference across most house electrical appliances is 230V

Using the formula $P = VI$ where P is power , V is voltage and I is the current; one can easily calculate the current flowing through each device.

Also further $R = \frac{V}{I}$ can be used to estimate the Resistance.