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The resistance of an incandescent lamp ...

The resistance of an incandescent lamp is

A

Greater when switched ON

B

Smaller when switched ON

C

Greater when switched OFF

D

same whether it is switched OFF or ON

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VGS PUBLICATION-BRILLIANT-ELECTRIC CURRENTT-EXERCISE
  1. The power of an electric bulb marked as 40 W and 200 V used in a circu...

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  2. In India, electricity is supplied for domestic use at 220V. It is supp...

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  3. The net charge on a current carrying conductor is

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  4. A steady current is passing through a conductor of non-uniform cross-s...

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  5. If a current of 300 mA is following in a conductor, then the no.of ...

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  6. At room temperature, copper has free electron density of 8 . 4 xx 10^...

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  7. The resistance of an incandescent lamp is

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  8. Three copper wires have lengths and cross-sectional areas of (l and A)...

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  9. If the length of a conductor is halved,then its conductanc will be

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  10. What length of the wire (specific resistance 48 xx 10^(-8)Omega-m ) ...

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  11. A wire of length l is drawn such that its diameter is reduced to half ...

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  12. A uniform wire of resistance R is uniformly compressed along its leng...

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  13. A series combination of two resistors 1 Omega each is connected to a ...

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  14. An electric current is passed through a circuit containing two wires...

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  15. What will be the resistance between P and Q in the following circuit ...

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  16. A(3) volt battery with negligible internal resistance is connected in...

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  17. A current of 2A flows in a system as shown in the figure. The poten...

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  18. The current flowing through a lamp , marked as 60 W and 240 V is

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  19. The power of an electric bulb marked as 40 W and 200 V used in a circu...

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  20. In India, electricity is supplied for domestic use at 220V. It is supp...

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