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CBSE Class 10 Answered

Where does the electricity absorbed by resistor goes?
Asked by Mihir Siwach | 26 Apr, 2013, 11:03: PM
answered-by-expert Expert Answer
You are right, resistor in most cases helps us in regulating the amount of current that is flowing through a circuit. It does so by converting the excess electrical energy into heat energy and dissipating that into atmosphere. There are electrical heaters which use this property to heat up the room. 
Answered by | 27 Apr, 2013, 09:55: 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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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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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?
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