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

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

A

`8A`

B

`10 A`

C

`12 A`

D

`14 A`

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The correct Answer is:
B
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AAKASH SERIES-APPENDICES ( REVISION EXERCISE )-REVISION EXERCISE (CUTTENT ELECTRICITY )
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  11. A 5V battery with internal resistance 2 Omega and a 2V battary with i...

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  14. For a cell, the graph between the p.d.(V) across the terminals of the ...

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  16. How many cells each marked (6V-12A) should be connected in mixed group...

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  18. A d.c main supply of e.m.f 220 V is connected across a storage battery...

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  19. The P.d between the terminals A&B is

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