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An infinite straight wire carries a current l that varies with time as shown above. It increases from 0 at t to a maximum value l! = 3.9 A at t = t1 = 13 s, remains constant at this value until t t2 when it decreases linearly to a value 43.9 A at tt 23 s, passing through zero at t t 20.5 s. A conducting loop with sides W 23 cm and L 68 cm is fixed in the x-y plane at a distance d = 55 cm from the wire as shown. 4 I I(t) 0

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