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The resistance in two gaps of a meter br...

The resistance in two gaps of a meter bridge are `10 Omega` and `30 Omega` respectively. If the resistances are interchanged the balance point shifts by

A

33.3 cm

B

66.67 cm

C

25 cm

D

50 cm

Text Solution

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The correct Answer is:
C
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BINA LIBRARY-CURRENT ELECTRICITY-EXERCISE
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  8. How many different combinations of three equal resistors can be made ?

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  9. A steady current flows in a metallic conductor of non uniform cross-se...

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  10. A metallic wire of resistance 40 Omega is stretched to twice its lengt...

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  11. A metallic wire is drawn to reduce its diameter to half its original v...

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  12. Three resistances each of 4 Omega are connected to form a triangle. Th...

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  13. Four wires of equal length and of resistance 10 Omega each are connect...

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  14. Assuming that the charge of an electron is 1.6 x 10^-19 C. The number ...

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  15. The electrical resistance of metals

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  16. The resistance of a conductor is 5 Omega at 50°C and 6 Omega at 100°C...

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  17. A piece of copper and another of germanium are cooled from room temera...

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  18. What is the order of the drift velocity of electrons?

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  19. A wire of 4 Omega resistance is bent at 180° at its mid point and twis...

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  20. A and B are two wires of copper of equal cross-section and A is longer...

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