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Two bulbs of (40 W, 200 V) and (100 W, 2...

Two bulbs of (40 W, 200 V) and (100 W, 200 V). Then correct relation for their resistance:

A

`R_(40)ltR_(100)`

B

`R_(40)gtR_(100)`

C

`R_40=R_100`

D

No relation can be predicted

Text Solution

Verified by Experts

The correct Answer is:
B
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MOTION-CURRENT ELECTRICITY-EXERCISE -4 (Level -II)
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  9. For the circuit shown in the figure

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  10. Consider a thin square sheet of side L and thickness t, made of a mate...

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  11. Incandescent bulbs are designed by keeping in mind that the resistance...

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  12. To verify Ohm's law, a student is provided with a test resistor RT, a ...

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  13. When two identical batteries of internal resistance 1Omega each are co...

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  14. A meter bridge is set up as shown, to determine an unknown resistance ...

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  15. Two batteries of different emfs and different internal resistances are...

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  16. For the resistance network shown in the figure , choose the correct op...

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  17. Two ideal batteries of emf V(1)andV(2) and these resistances R(1),R(2)...

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  18. Heater of an electric kettle is made of a wire of length L and diamete...

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  19. A galvanometer gives full scale deflection with 0.006 A current . By c...

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  20. In an aluminium (Al) bar of square cross section, a square hole is dri...

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  21. In the following circuit, the current through the resistor R (=2Omega)...

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