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The resistance of a wire is 5 Omega at 5...

The resistance of a wire is `5 Omega` at `50^@C` and `6 Omega` at `100^@C` . The resistance of the wire at `0^@C` will be

A

`2Omega`

B

`1Omega`

C

`4Omega`

D

`3Omega`

Text Solution

Verified by Experts

The correct Answer is:
C
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MOTION-CURRENT ELECTRICITY-EXERCISE -4 (Level -I)
  1. The Kirchhoff's first law (Sigmai = 0) and second law (SigmaiR = Sigma...

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  2. The current I drawn from the 5V source will be

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  3. The resistance of a wire is 5 Omega at 50^@C and 6 Omega at 100^@C . T...

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  4. A material 'B' has twice the specific resistance of 'A'. A circular wi...

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  5. Shown in the figure below is a meter- bridge set up will null deflecti...

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  6. A 5 V battery with internal resistance 2Omega and a 2V battery with i...

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  7. Statement I : The temperature dependence of resistance is usally given...

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  8. Two conductors have the same resistance at 0^@C but their temperature ...

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  9. In the circuit shown below, the key K is closed at t =0. The current t...

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  10. If 400 Omega of resistance is made by adding four 100 Omega resistance...

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  11. The current in the primary circuit of a potentiometer is 0.2 A. The sp...

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  12. If a copper wire is stretched to make it 0.1% longer wha is the percen...

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  13. Two electic bulbs marked 25 W -220 V and 100 W - 220 V are connected i...

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  14. Resistance of a given wire is obtained by mea suring the current flowi...

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  15. The supply voltage to room is 120 V. The resistance of the lead wires ...

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  16. Assertion : Higher the range, greater is the resistance of ammeter. ...

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  17. In a large building, there are 15 bulbs of 40 W, 5 bulbs of 100 W, 5 f...

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  18. When 5 V potential difference is applied across a wire of length 0.1 m...

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  19. In the circuit shown , the current in the 1Omega resistor is :

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  20. A galvanometer having a coil resistance of 100 omega gives a full scal...

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