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  • Solve it, A house is served by 220 V supply line in a circuit protected by a 9 ampere fuse. The maximum number of 60 W lamps in parallel that can be turned on, is

A house is served by 220 V supply line in a circuit protected by a 9 ampere fuse. The maximum number of 60 W lamps in parallel that can be turned on, is

  • Option 1)

    44

  • Option 2)

    20

  • Option 3)

    22

  • Option 4)

    33

 

Answers (1)

best_answer

As we learnt in 

Series Grouping -

In series grouping anode of one cell is connected to cathode of other cell

- wherein

 

 Maximum power = 220 \times  9W

\therefore number of Bulb  = \frac{220\times 9}{60}=33


Option 1)

44

Incorrect option

Option 2)

20

Incorrect option

Option 3)

22

Incorrect option

Option 4)

33

Correct option

Posted by

Aadil

View full answer

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