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Four resistance 10 Omega, 10 Omega,10 Om...

Four resistance `10 Omega`, `10 Omega`,`10 Omega` and `20 Omega` are connected so as to form Wheatstone's bridge. The resistance connected across `20 Omega` resistance to balance the bridge is

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Four resistances 5 Omega , 10 Omega , 15 Omega and an unknown X Omega are connected in series so as to form Wheatstone's network. Determine the unknown resistance X,if the network is balanced with these numerical values of resistances.

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CHETANA PUBLICATION-Current Electricity-Exercise
  1. Four resistance 10 Omega, 10 Omega,10 Omega and 20 Omega are connected...

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  2. (1)In the following circuit, calculate the value of the current (I).

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  3. In an electric circuit, the currents 2A, 1.5A and 3A flow towards the ...

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  4. A resistance of 2Omega is connected in parallel to a galvanometer of r...

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  5. A galvanometer has a resistance of 16Omega. It shows full scale deflec...

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  6. A moving coil galvanometer has a resistance of 25Omega and goes a full...

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  7. The combined resistance of a galvanometer of resistance 500Omega and i...

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  8. A potentiometer wire has a resistance per unit length of 0.1 Omega//m....

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  9. Resistance of potentiometer wire is 0.1Omega//cm. A cell of emf 1.5V i...

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  10. In a balanced meterbridge, the segment of wire opposite to 20Omega is ...

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  11. A uniform wire is cut into two pieces such that on piece is twice as l...

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  12. Two coils are connected in series in one gap of the meterbridge and nu...

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  13. A skeleton tube is made of 12 wires each of resistance ROmega is conne...

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  14. A skeleton tube is made of 12 wires each of resistance ROmega is conne...

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  15. A skeleton tube is made of 12 wires each of resistance ROmega is conne...

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  16. A galvanometer has resistance of 25 Omega capacity to carry a maximum ...

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  17. At what point the null point be obtained in meterbridge experiment whe...

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  18. The potentiometer wire has length 10m and resistance 10Omega, if the c...

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  19. The potentiometer wire has length 10m and resistance 10Omega, if the c...

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  20. When a resister of 10Omega is connected across a cell, its terminal po...

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  21. Two cells having unknown emfs E1 and E2 (E1 > E2) are connected in pot...

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