The total momentum of all the free electrons
in a straight wire of length 1000 m carrying a
current 10A is P1 and in the wire of length
1000 m bent into a semicircular arc carrying
10A current is P2. Then
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Find the total momentum of electrons in a straight wire of length 1000m carrying a current of 70 amperes.ans-.4 * 10-6 Newto
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