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CBSE Class 10 Answered

what is the mechanical analog of resistance? How does it help in producing heat?
Asked by | 19 Jul, 2012, 06:17: PM
answered-by-expert Expert Answer
It is friction. It also opposes the motion as resistance opposes flow of electrons.
 
Both them produces heat by opposing the motion.
Answered by | 20 Jul, 2012, 12:01: AM

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CBSE 10 - Physics
write ohm's law for electric circuit. Also write the necessary formula for this .
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the resistance of a wire of 0.01 cm radius is 10 ohm.if the resistivity of the material of the wire is 50*10^-8 ohm meter find the length of the wire
Asked by prassanna.j | 03 Sep, 2023, 12:28: PM
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Nichrome wire of length L and radius R has resistance 10 ohm.How would the resistance of the wire change when: only diameter of the wire is doubled?Justify 
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Asked by prassanna.j | 03 Sep, 2023, 12:13: PM
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CBSE 10 - Physics
A given length of a wire is doubled of itself and this process is repeated once again.By what factor does the resistance of the wire changes?
Asked by prassanna.j | 03 Sep, 2023, 12:11: PM
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