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How many 60 W bulbs may be safely run on...

How many 60 W bulbs may be safely run on 220 v using a 5 A fuse?

A

18

B

16

C

14

D

12

Text Solution

Verified by Experts

The correct Answer is:
A
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AAKASH INSTITUTE-CURRENT ELECTRICITY-ASSIGNMENT(SECTION-A(OBJECTIVE TYPE QUESTIONS))
  1. If two bulbs of power 60 W and 100 W respectively each rated 110 V...

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  2. Three bulbs B(1),B(2) and B(3) of equal resistance are connected as sh...

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  3. In a house, individual power of two elements are 10OW and 150 W . Effe...

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  4. How many 60 W bulbs may be safely run on 220 v using a 5 A fuse?

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  5. A cell of emf 16V and internal resistant 4 Omega can deliver maximum ...

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  6. A battery delivers equal power individually across 4 Omega and 16 Ome...

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  7. A heater boils certain amount of water in 15 minutes. Another heater b...

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  8. Minimum resistance obtained from two resistors 3Omega and 2 Omega is

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  9. A uniform wire os resistance 12 Omega is bent to form a circle. Effec...

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  10. A wire of resistance R is cut into ‘ n ’ equal parts. These parts are ...

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  11. Potential difference across AB in the circuit as shown in figure.

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  12. Potential difference across AB in the network shown is

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  13. emf of a chemical cell depends on

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  14. When current supplied by a cell to a circuit is 0.3 A, its terminal po...

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  15. Potential difference across AB in the network shown is

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  16. Five cells each of emf E and internal resistance r are connected in s...

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  17. Potential difference V(B)-V(A) in the network shown is

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  18. Resistance across AB as shown in figure is

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  19. Determine of unknown resistance in meter bridge is most accurate , whe...

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  20. Two cells of emf E(1) and E(2) ( E(1) gt E(2)) are connected in series...

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