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In a large building there are 15 bulbs o...

In a large building there are 15 bulbs of 40 W , 5 bulbs of 100 W , 5 fans of 80 W and 1 kW . The voltage of the electric mains is 220 V . The minimum capacity of the main fuse of the building will be

A

`8 A`

B

`10 A`

C

`12 A`

D

`14 A`

Text Solution

Verified by Experts

The correct Answer is:
C

`15xx40+5xx100+5xx80+1000=220xxI`
`thereforeI=11.36A~~12A`
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  1. In a large building there are 15 bulbs of 40 W , 5 bulbs of 100 W , 5 ...

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