Question

The main power supply of a house is through a 5 ampeare fuse . How many 100watt bulbs can be used in this house of correct voltage.

Answer 1

Answer:

Explanation:40 wat

Answer 2

Answer:

11

Explanation:

The current in each bulb is

I=P/V

=>100w/220v

=>5/11 A

For the current through the fuse to be 5A, the number of bulbs

=> 5A/5/11A

=>11

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