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How will you represent a resistance of 3...

How will you represent a resistance of `3700 Omega +- 5`% using colour code?

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How will you repersent a resistance of 3700 Omega +- 10% by colour code?

(a) How will you represent a resistance of 3,700 + 10% ohm by a colour code? (b) The sequence of bands marked on a carbon resistor are white, blue, orange and silver. What will be the resistance?

The resistance of a colour-coded carbon resistance is 670 Omega . Find the colour of second band of the resistor.

How will you join three resistances, each of 2 Omega so that the effective resistance is 3 Omega ?

What is the colour code for a resistor of resistance 3.5 k Omega with 5% tolerance ?

How will you connect three resistors of 2Omega, 3Omega and 5Omega respectively so as to obtain a resultant resistance of 2.5 Omega ? Draw the diagram to show the arrangement.

Given three resistors of resistances 1 Omega, 2Omega and 3Omega . How will you combine them to get an equivalent resistance of (11)/(5) Omega ?

MODERN PUBLICATION-CURRENT ELECTRICITY-REVISION EXERCISES (VERY SHORT ANSWER QUESTIONS)
  1. How is the drift velocity in a conductor affected with the rise in tem...

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  2. Define the term 'mobility' of charge carriers. Write its S.I. unit.

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  3. How will you represent a resistance of 3700 Omega +- 5% using colour c...

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  4. How does the mobility of electrons in a conductor change, if the poten...

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  5. A wire of resistivity is stretched to double its length. What will be...

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  6. Two wires of equal length one of copper and other of manganin have the...

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  7. Show that equivalent resistance in parallel combination is always less...

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  8. Draw a graph to show the variation of resistance of a metal wire as a ...

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  9. Define the term electrical conductivity of a metallic wire. Write its ...

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  10. EMF of an electrical cell is 2 volt. A 10 Omega resistance is joined a...

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  11. How does the conductivity of a metallic conductor vary with temperatur...

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  12. Discuss the effect of temperature on the resistance of (i) metals (ii)...

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  13. For metal conductors, the electrical resistivity decreases with the ri...

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  14. Out of copper and nichrome, which has the larger value of temperature ...

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  15. Two wires P and Q of same diameter and same length are joined in paral...

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  16. The graph given below shows the variation of resistance of mercury in ...

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  17. Of metals and alloys, which has greater value of temperature co-effici...

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  18. Plot a graph showing variation of current versus voltage for the mater...

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  19. A student obtains resistances 3, 4, 12 and 16 Ohm using only two metal...

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  20. Two students A and B were asked to pick a resistor of 15 k Omega from ...

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