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In a house, individual power of two elem...

In a house, individual power of two elements are 10OW and 150 W . Effective power of their series combination will be

A

120W

B

75W

C

50W

D

60W

Text Solution

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The correct Answer is:
D
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AAKASH INSTITUTE-CURRENT ELECTRICITY-ASSIGNMENT(SECTION-A(OBJECTIVE TYPE QUESTIONS))
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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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  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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  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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