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A silver wire has a resistance of 2.1Ome...

A silver wire has a resistance of `2.1Omega` at `27.5^@C` and a resistance of `2.7Omega` at `100^@C`. Determine the temperature coefficient of wire

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A silver wire has a resistance of 2.1Omega at 27.5 ^@C , and a resistance of 2.7Omega at 100^@C . Determine the temperature coefficient of resistivity of silver.

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PUNJAB BOARD PREVIOUS YEAR PAPERS-Electric Current, Resistance and E.M.F. -Exercise
  1. A wire has a resistance of 10.5Omega at 21^@C and 16.4Omega at 147^@C....

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  2. A resistance of a tungsten filament at 150^@C is 133Omega.What will be...

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  3. A silver wire has a resistance of 2.1Omega at 27.5^@C and a resistance...

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  4. Three identical cells of emf 4V each and unknown internal resistances ...

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  5. If maximum resistance from the combination of two resistances is 18 oh...

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  6. A wire with an area of cross-section as 10 mm^2 has a resistance of 5O...

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  7. A wire with an area of cross-section as 1 mm2 has a resistance of 10Q,...

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  8. Given three resistors of resistances 1Q (Ohm), 2Q (Ohm) and 3Q (Ohm). ...

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  9. How many electrons pass through alamp inone minute if current flowing ...

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  10. How does the conductivity of metals varies with the rise in their temp...

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  11. Why Eureka metal is used to make standard resistance coil?

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  12. Why copper is used to make connecting wires ?

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  13. How does the conductivity of semi-conductors varies with the rise in t...

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  14. Why Manganin is used to make standard resistance coil ? How does the e...

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  15. Define one Ampere of current.

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  16. What is the resistance of an ideal voltmeter and an ammeter?

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  17. The specific resistance of a conductor increases with Increase in temp...

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  18. The specific resistance of a conductor increases with Increase in cros...

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  19. The specific resistance of a conductor increases with Decrease in leng...

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  20. The specific resistance of a conductor increases with Increase in cros...

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