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Resistivity of copper is 1.76 times 10^-...

Resistivity of copper is `1.76 times 10^-6 Omega`.cm. Determine the resistance of a copper rod having length 10 cm and cross sectional area `1cm^2`.

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The correct Answer is:
`1.76 times 10^-5 Omega`
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CHHAYA PUBLICATION-CURRENT ELECTRICITY -EXERCISE ( VERY SHORT ANSWER TYPE QUESTION)
  1. Resistance of a conductor is 200 Omega and the current through it is 1...

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  2. Resistivity of copper is 1.76 times 10^-6 Omega.cm. Express it in ohm....

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  3. Resistivity of copper is 1.76 times 10^-6 Omega.cm. Determine the resi...

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  4. Two conducting wires of lenghts l and 2l have the same cross-sectional...

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  5. Two wires A and B are of the same metal and of the same length. Their ...

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  6. What will be the change in the resistance of the Eureka wire,when its ...

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  7. Two wires A and B of the same metal have the same across sectional are...

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  8. Name a substance whose resistance decreases with in the increases in t...

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  9. What is the unit of temperature coefficient of resistance?

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  10. The temperature coefficient of resistance for the material of a conduc...

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  11. A carbon resistor is coloured with four different bands=brown,black,or...

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  12. Resistance of a carbon resistor is 6.8 k Omega.What is the first three...

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  13. Of metals and alloys,which has greater value of temperature coefficien...

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  14. How are different electrical appliances connected In domestic electric...

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  15. Two resistances 1 Omega and 2 Omega are connected in series and a pote...

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  16. Two resistances 1 Omega and 2 Omega are connected in parallel and a p...

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  17. What is the value of I in the circuit of Fig.1.64?

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  18. Equivalent resistance in a parallel combination is ...... than each of...

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  19. Two resistance of 6 Omega and 3 Omega are connected in parallel when ...

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  20. A metallic wire of resistance R is folded into two equal parts and the...

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