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

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

A

8A

B

10A

C

12A

D

14A

Text Solution

Verified by Experts

The correct Answer is:
C
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AAKASH SERIES-CURRENT ELECTRICITY-EXERCISE - III
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  3. In a large building, there are 15 bulbs of 40W, 5 bulbs of 100W, 5 fan...

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  4. The charge flowing through a resistance R varies with time t as Q = at...

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  5. When two identical cells are connected either in series or in parallel...

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  6. Two cells with same e.m.f. .E. and different internal resistances r(1)...

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  7. If in the circuit shown below. The internal resistance of the battery ...

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  8. A 6 V cell with 0.5Omega internal resistance , a 10 v cell with 1Omeg...

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

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

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  11. Three equal resistance each of 3Omega are in series and connected to c...

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

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  13. Eels are able to generate current with biological cells called electro...

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  14. In the circuit shown, current flowing through 25V cell is

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  15. A cell of emf epsilon and internal resistance r is connected across a ...

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  16. The current through 10Omega resister in the figure is approximately

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  17. A current of 3A flows in a circuit the potential difference between th...

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  18. A bettery of 10 V and negligible internal resistance is connected acro...

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  19. In the circuit shown in the figure, if potential at point A is taken t...

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  20. The current I drawn from the 5 volt source will be

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