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PRADEEP-ELECTRICITY-(Additional)Short Answer
- A given wire is stretched to double its length. How will its resistanc...
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- A wire of 3 Omega resistance and 10 cm length is stretched to 30 cm le...
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- (a) When is the pd for all the resistors in a circuit the same and is ...
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- (a) How does the current divide itself in a parallel combination of re...
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- (a) How is heat produced in a conductor by an electric current ? (b)...
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- (a) Are electrons consumed in a electric circuit when a current flows ...
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- (a) How does an incandescent bulb work ? (b) Why is the resistance o...
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- (a) Why does resistance increase in a series combination of resistors ...
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- (a) If a number of bulbs of different wattages are joined in parallel,...
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- What do you mean by electric potential difference ? How is it measured...
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- State Ohm's law ? How can it be verified experimentally ? Does it hold...
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- What do you mean by electrical resistance ? How does it arise ? Give i...
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- What is electrical resistivity ? How does it depend om temperature. Gi...
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- Classify materials on the basis of their resistivities.
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- Find an expression for the equivalent resistance of three resistors jo...
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- Find an expression for equivalent resistance of three resistors joined...
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- Derive an expression for electric energy in terms of potential differe...
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- What is electric power ? Derive an expression for the same. Give its S...
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- What do you understand by the rating of an electric appliance ?
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- Discuss briefly three applications of heating effect of current.
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