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MODERN PUBLICATION-CURRENT ELECTRICITY-REVISION EXERCISES (VERY SHORT ANSWER QUESTIONS)
- State Kirchhoff' voltage law
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- A steady current flows in a metallic conductor of non-uniform cross se...
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- Are the paths of electrons straight lines between successive collision...
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- Draw a graph representing the change in specific resistance with tempe...
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- If the length of a wire conductor is doubled by stretching it, keeping...
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- If potential difference V applied across a conductor increased to 3V, ...
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- When a potential difference is applied across the ends of a conductor,...
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- How is the drift velocity in a conductor affected with the rise in tem...
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- Define the term 'mobility' of charge carriers. Write its S.I. unit.
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- How will you represent a resistance of 3700 Omega +- 5% using colour c...
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- How does the mobility of electrons in a conductor change, if the poten...
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- A wire of resistivity is stretched to double its length. What will be...
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- Two wires of equal length one of copper and other of manganin have the...
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- Show that equivalent resistance in parallel combination is always less...
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- Draw a graph to show the variation of resistance of a metal wire as a ...
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- Define the term electrical conductivity of a metallic wire. Write its ...
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- EMF of an electrical cell is 2 volt. A 10 Omega resistance is joined a...
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- How does the conductivity of a metallic conductor vary with temperatur...
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- Discuss the effect of temperature on the resistance of (i) metals (ii)...
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- For metal conductors, the electrical resistivity decreases with the ri...
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