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The alloys constantan and manganin are u...

The alloys constantan and manganin are used to make standard resistance due to they have

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Independence of resistivity on temperature
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Why are constantan and manganin used for making standard resistances ?

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AAKASH INSTITUTE ENGLISH-CURRENT ELECTRICITY-Try Yourself
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  7. Current l in the network shwon in figure is

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  8. Potential difference across AB in the network shown in figure.

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  9. Maximum current produced by a cell of emf 10 V and internal resistan...

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  10. When the positive and negative electrodes of a cell are denoted as P ...

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  11. About internal resistance of a cell , the correct statements that it i...

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  12. Find the current through the 10 Omega resistance connected across AB

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  13. Four identical cells each having emf E and internal resistance r are c...

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  14. The current l through the cell in the network shown is

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  15. In the network shown below , potential difference across CD is

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  16. The current l in the circuit shown below is

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  17. Twelve identical resistance R each form a cube as shown in figure. Re...

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  18. In the network shown , find the resistance across AB.

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  19. In the metre bridge, the balancing length AB =l=20 cm. The unknown res...

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  20. An unknown resistance R(1) is connected is series with a resistance of...

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