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The accompanying figure shows some electrical appliances connected in a circuit in a house. Answer the following questions. 

 

1. By which method are the appliances connected?

2. What must be the potential difference across individual appliances?

3. Will the current passing through each appliance be the same? Justify your answer.

4. Why are the domestic appliances connected in this way?

5. If the T.V. stops working, will the other appliances also stop working? Explain your answer

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1. The appliances are in parallel connection.

2. The potential difference across each appliance should be same as they are connected in parallel.

3. No, the current passing through each appliance is not same. From Ohm's law, the current flowing through each appliance is I=V/R, Since, potential difference across each appliance is same, each appliance can have different resistance and I∝1/R , therefore, the current flowing through them will be different.

4. Domestic appliance are connected in parallel because, even if one or more appliances get faulty or stops working, the working of others will remain unaffected.

5. As the appliances are connected parallel across the supply. The working of other appliances will remain unaffected even if the T.V. stops working.

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