ICSE Class 10: Ohm's Law Videos | Resistivity
Resistivity
This video explains the relation betweeen the resistance and length of wire
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Electricity
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- Practically,why does current decrease if length of conductor increases?
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Find the magnitude of current through the 4\OmegaΩ resistor in the circuit shown.
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Find the resistance between A and B.
- calculate the resistance of 1km long copper wire of radius 1mm
- what is ohm law ?
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exercise 8a numerical 12
- exercise 8A numerical 10
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exercise 8a numerical 8
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exercise 8a numerical 8
- I had a query in th following question: A given wire of resistece is stretched to double its length. What will be its new resistance? How come the answer is 4 ?