Solved: A portion of Nichrome wire of radius 2 . 9 0 ๐‘š ๐‘š ๏ปฟis to be used in winding a heating coi

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  • A portion of Nichrome wire of radiusย 2.90๐‘š๐‘šย is to be used in winding a heating coil. If the coil must draw a current ofย 8.00A when a voltage ofย 120๐‘‰ย is applied across its ends, find the following.ย (Take the resistivity of nichrome to beย 1.50ร—10-6๐›บ*๐‘š.)ย (a)ย the required resistance of the coilย ๐›บย (b)ย the length of wife you must use to wind the coil m If the magnitude of the drifevelocity of free electrons in a copper wire isย 9.48ร—10-4๐‘š๐‘ ,ย what is the electric field in the conductor?ย ๐‘‰๐‘šย Need Help? If the magnitude of the drifevelocity of free electrons in a copper wire isย 9.48ร—10-4๐‘š๐‘ 

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